[{"activityID":"2026-05-11T02:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-11T02:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE by SOHO LASCO C2 beginning at 2026-05-11T02:36Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This event is mostly obscured by the pylon in GOES CCOR-1. The source of this CME is faint field line movement seen along the NE limb in SDO AIA 171 beginning at approx. 2026-05-11T01:47Z.","submissionTime":"2026-05-11T11:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46096/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-11T08:14Z","latitude":39.0,"longitude":-66.0,"halfAngle":18.0,"speed":519.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit between SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.4,"submissionTime":"2026-05-11T11:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46097/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-11T08:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-11T08:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S50E30","activeRegionNum":null,"note":"Faint CME first seen to the SE by SOHO LASCO C2 beginning at 2026-05-11T08:24Z, as well as by GOES CCOR-1 and STEREO A COR2 in later frames. This CME is obscured by the pylon in SOHO LASCO C3. The source of this event is a filament eruption seen centered at approx. S50E30 in SDO AIA 304 with liftoff occurring at approx. 2026-05-11T07:22Z. Southward deflection of the filament can be seen in STEREO A EUVI 304, likely due to the filament's proximity to a coronal hole. Field line opening and post eruptive dimming/arcades are visible following the eruption in SDO AIA 171 and 193.","submissionTime":"2026-05-11T13:13Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46105/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-11T17:42Z","latitude":-42.0,"longitude":-37.0,"halfAngle":20.0,"speed":367.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2, GOES CCOR-1 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-05-11T13:18Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46106/-1","enlilList":[{"modelCompletionTime":"2026-05-12T12:23Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46123/-1","impactList":null,"cmeIDs":["2026-05-11T08:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-11T10:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-11T10:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N19E50","activeRegionNum":14436,"note":"Faint outflow CME first seen to the NE by STEREO A COR2 beginning at 2026-05-11T10:08Z, as well as by SOHO LASCO C2/C3 in later frames. This event is obstructed by the pylon in GOES CCOR-1. The source of this CME is continuous brightening and field line movement from Active Region 14436 (N19E50) as seen in SDO AIA 171/193.","submissionTime":"2026-05-11T18:13Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46109/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-11T19:10Z","latitude":41.0,"longitude":-54.0,"halfAngle":11.0,"speed":347.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit between STEREO A COR2 and SOHO LASCO C2/C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-05-11T18:14Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46110/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-11T13:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-11T13:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 and STEREO A COR2 imagery. This event is obscured by the pylon in GOES CCOR-1. The source may be related to a minor eruption visible on the northeast limb in SDO AIA 304 imagery starting around 2026-05-11T13:00Z. However, there is additional minor eruptive activity seen from Active Region 14436 around this time as well.","submissionTime":"2026-05-11T20:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46111/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-11T19:58Z","latitude":34.0,"longitude":-56.0,"halfAngle":16.0,"speed":504.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.6,"submissionTime":"2026-05-11T20:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46112/-1","enlilList":[{"modelCompletionTime":"2026-05-11T20:26Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46113/-1","impactList":null,"cmeIDs":["2026-05-11T13:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-11T22:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-11T22:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N17E49","activeRegionNum":14436,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. This event is not seen in STEREO A COR2 in real-time due to a data gap starting at 2026-05-11T20:53Z. The source is likely related to an eruption from Active Region 14436 (N17E49) starting around 2026-05-11T20:30Z seen in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery.","submissionTime":"2026-05-12T00:01Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46114/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-12T07:12Z","latitude":12.0,"longitude":-49.0,"halfAngle":21.0,"speed":369.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measured longitude based on the source location. Due to a data gap in STEREO A COR2 imagery at the time of this event, a triangulated measurement was not available. The measured parameters may vary slightly as a result.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.8,"submissionTime":"2026-05-12T00:03Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46115/-1","enlilList":[{"modelCompletionTime":"2026-05-12T00:19Z","au":2.0,"estimatedShockArrivalTime":"2026-05-14T00:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46116/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-05-17T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-05-15T14:00Z"}],"cmeIDs":["2026-05-11T22:00:00-CME-001"]},{"modelCompletionTime":"2026-05-12T02:26Z","au":5.5,"estimatedShockArrivalTime":"2026-05-14T00:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46117/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-05-17T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Lucy","arrivalTime":"2026-05-24T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-05-15T14:00Z"}],"cmeIDs":["2026-05-11T22:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-12T02:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-12T02:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SE in SOHO LASCO C2 starting around 2026-05-12T02:24Z. The exact start time is somewhat obscured because this CME immediately follows a much slower streamer blowout. This CME is also seen to the SE in GOES CCOR-1 and STEREO A COR2, but is obscured by the pylon in SOHO LASCO C3. The source of this CME is most likely related to a filament eruption near the SE limb. The filament can be seen rising for several hours prior to the CME start time across SDO AIA wavelengths. The filament can be seen to \"snap\" near the edge of the FOV of SDO AIA 171 around 2026-05-12T00:42Z.","submissionTime":"2026-05-12T11:48Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46120/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-12T15:02Z","latitude":-36.0,"longitude":-83.0,"halfAngle":20.0,"speed":289.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best-fit among SOHO LASCO C2, STEREO A COR2, and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-12T11:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46121/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-12T15:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-12T15:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N14W78","activeRegionNum":14432,"note":"CME first seen to the W in SOHO LASCO C2 starting around 2026-05-12T15:24Z. It is also seen to the W in SOHO LASCO C3 and GOES CCOR-1. The source of this CME is most likely an eruption from AR 14432 (N14W78) beginning around 2026-05-12T14:57Z. The ejecta can best be seen in SDO AIA 304 and STEREO A EUVI 195 and appears to be directed westward.","submissionTime":"2026-05-12T17:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46124/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-12T20:00Z","latitude":7.0,"longitude":78.0,"halfAngle":13.0,"speed":762.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on visible source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-12T17:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46125/-1","enlilList":[{"modelCompletionTime":"2026-05-12T17:52Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46126/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-18T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-14T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-15T16:00Z"}],"cmeIDs":["2026-05-12T15:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260512-AL-001","messageIssueTime":"2026-05-12T18:12Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46127/1"}]},{"activityID":"2026-05-12T16:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-12T16:00Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the SE by GOES CCOR-1 beginning at 2026-05-12T16:00Z. This CME is not clearly seen in SOHO LASCO C2/C3 or STEREO A COR2. The source of this event is a small amount of field line movement seen along the SE limb (approx. S25E90) beginning at approx. 2026-05-12T14:21Z as seen in SDO AIA 171.","submissionTime":"2026-05-12T21:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46128/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-13T01:42Z","latitude":-25.0,"longitude":null,"halfAngle":18.0,"speed":319.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of E90 due to faint source near the limb and lack of imagery for triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.3,"submissionTime":"2026-05-12T21:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46129/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-13T03:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-13T03:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME seen to the southwest in SOHO LASCO C2, C3 and GOES CCOR-1 as well as to the west-southwest in STEREO A COR2A in association with a far-sided minor eruption seen best as an expulsion of plasma off the southwestern limb in SDO AIA 171 starting as early as 2026-05-13T00:58Z.","submissionTime":"2026-05-13T11:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46130/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-13T08:08Z","latitude":-31.0,"longitude":102.0,"halfAngle":11.0,"speed":736.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement of the CME using all available coronagraph imagery, determining that the CME originates from a far-sided source using triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-05-13T11:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46131/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-13T10:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-13T10:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N23W47","activeRegionNum":14435,"note":"Faint CME observed to the NNW in SOHO LASCO C2/C3 and GOES CCOR-1, and NNE in STEREO A COR2, slightly overlapping CME 2026-05-13T14:00Z. The source could be AR 14435 (N23W47) starting around 2026-05-13T10:01Z as some weak dimming and brightening, but requires a pretty far deflection not observed with this weak eruption. The front is also difficult to resolve in running difference STEREO A COR2 beacon imagery compared to white light, impacting triangulation.","submissionTime":"2026-05-14T01:21Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46139/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-14T00:59Z","latitude":55.0,"longitude":36.0,"halfAngle":21.0,"speed":261.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C3 and STEREO A COR2, with difficulty due to the faint front in poor STEREO A COR2 running difference image quality.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.2,"submissionTime":"2026-05-14T01:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46140/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-13T14:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-13T14:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NW only in SOHO LASCO C2, slightly overlapping CME 2026-05-13T10:36Z. No clear source observed for this event.","submissionTime":"2026-05-14T01:21Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46137/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-13T22:06Z","latitude":53.0,"longitude":null,"halfAngle":16.0,"speed":436.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky due to the lack of observed source and being the only observing coronagraph.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.4,"submissionTime":"2026-05-14T01:13Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46138/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-13T22:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-13T22:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is observed to the W/NW in SOHO LASCO C2/C3 and GOES CCOR-1, and to the NW in STEREO A COR2 imagery (following a data gap from 2026-05-13T14:53Z to 2026-05-14T01:53Z). It is fairly faint in STEREO A COR2 imagery and appears much wider in STEREO A COR2 frames. There are multiple fronts associated with this CME as well as a numerous outflows following the CME. The source appears to be beyond the western limb of the Earth-facing disk based on SDO/AIA, GOES SUVI, and STEREO A EUVI imagery. Based on STEREO A EUVI 304 and 195, it is possible the source is a filament eruption between former AR 14432 (~N14W95-W100) and AR 14435 (~N23W53-W58) with visible dimming and brightening signatures as well as post-eruptive arcades starting following the data gap around 2026-05-14T02:15Z. The source is also observed as slow, wide opening field lines in GOES SUVI 171/195/284 starting as early as 2026-05-13T19:00Z.","submissionTime":"2026-05-14T13:23Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46141/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-14T08:20Z","latitude":26.0,"longitude":87.0,"halfAngle":34.0,"speed":519.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"StereoCAT","note":"Parameters based on best fit using white light imagery of SOHO LASCO C3 and STEREO A COR2 frames via StereoCAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-14T13:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46143/-1","enlilList":[{"modelCompletionTime":"2026-05-14T13:38Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46145/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-15T19:33Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-19T22:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-18T22:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-18T22:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-17T10:00Z"}],"cmeIDs":["2026-05-13T22:24:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-14T11:11Z","latitude":11.0,"longitude":95.0,"halfAngle":33.0,"speed":319.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary leading edge analysis due to few available frames and slow start to the front. Estimating longitude around W95, using only SOHO LASCO C2 for this early analysis. May be located W90-W110.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.7,"submissionTime":"2026-05-14T02:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46142/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-13T19:35:00-FLR-001"},{"activityID":"2026-05-17T13:40:00-IPS-001"}],"sentNotifications":[{"messageID":"20260514-AL-001","messageIssueTime":"2026-05-14T14:17Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46146/1"}]},{"activityID":"2026-05-14T02:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T02:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Very faint CME visible to the SW in SOHO LASCO C2 and STEREO A COR2 imagery. It is not clearly visible in GOES CCOR-1 imagery. This CME is associated with a filament eruption visible near the SW limb in SDO/AIA 304 starting around 2026-05-14T01:33Z.","submissionTime":"2026-05-15T21:09Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46147/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-14T12:40Z","latitude":-41.0,"longitude":48.0,"halfAngle":21.0,"speed":349.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit of features seen to the SW in SOHO LASCO C2 (S in STEREO A COR2).","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.3,"submissionTime":"2026-05-14T14:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46148/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T12:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T12:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the WSW in STEREO A COR2 starting around 2026-05-14T12:09Z. It is not seen in SOHO LASCO C2/C3 or GOES CCOR-1. The CME is best seen in running difference imagery as it aligns with a bright streamer in white light. The source of this CME is likely related to field line movement seen over the SW limb in STEREO A EVI 195 beginning as early as 2026-05-14T09:35Z","submissionTime":"2026-05-15T21:06Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46151/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-14T23:54Z","latitude":-18.0,"longitude":null,"halfAngle":33.0,"speed":300.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph observation and beyond limb source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-14T19:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46152/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T14:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T14:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the WSW in STEREO A COR2 starting around 2026-05-14T14:38Z. It is not seen in SOHO LASCO C2/C3 or GOES CCOR-1. The CME is best seen in running difference imagery as it aligns with a bright streamer in white light. This front is likely outflow following the earlier CME: 2026-05-14T12:09Z and dissipated before leaving the FOV of STEREO A COR2.","submissionTime":"2026-05-15T21:06Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46153/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T02:50Z","latitude":-13.0,"longitude":null,"halfAngle":19.0,"speed":288.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph observation and beyond limb source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-14T19:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46154/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T16:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T16:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the WSW in STEREO A COR2 starting around 2026-05-14T16:53Z. It is not seen in SOHO LASCO C2/C3 or GOES CCOR-1. The CME is best seen in running difference imagery as it aligns with a bright streamer in white light. The source of this CME is likely related to some very faint field line movement from behind the W limb in STEREO A EUVI 195 starting as early as 2026-05-14T15:35Z.","submissionTime":"2026-05-15T21:05Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46155/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T09:56Z","latitude":-19.0,"longitude":null,"halfAngle":29.0,"speed":207.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph observation and likely beyond limb source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-14T21:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46156/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T18:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow, jet-like CME first seen to the W in SOHO LASCO C2 starting around 2026-05-14T18:00Z. It is also faintly seen to the W in SOHO LASCO C3 and GOES CCOR-1. No good source candidate was found of the Earth-facing disk, so the source is most likely far-sided.","submissionTime":"2026-05-15T00:58Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46163/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T07:47Z","latitude":12.0,"longitude":null,"halfAngle":10.0,"speed":247.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to lack of source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-15T00:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46164/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T19:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T19:00Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S16W76","activeRegionNum":14433,"note":"Faint CME first seen to the SW in GOES CCOR-1 starting around 2026-05-14T19:00Z. This CME is not seen in STEREO A COR2 and is missed in SOHO LASCO C2/C3 in real time due to a gap between downlinks. The source of this CME may be related to some post eruptive arcades from AR 14433 (S16W76) seen in SDO AIA 171 starting as early as 2026-05-14T15:57Z. Some deflection in likely due to the close proximity to a small coronal hole slightly south of AR 14433.","submissionTime":"2026-05-15T19:16Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46157/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T05:00Z","latitude":-36.0,"longitude":76.0,"halfAngle":21.0,"speed":298.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on visible possible source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-14T21:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46158/-1","enlilList":[{"modelCompletionTime":"2026-05-14T22:09Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46159/-1","impactList":null,"cmeIDs":["2026-05-14T19:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-14T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-14T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N35E20","activeRegionNum":null,"note":"Faint CME first seen to the NNE in SOHO LASCO C2 starting around 2026-05-14T20:12Z. It is also seen to the NNE in SOHO LASCO C3 but is obscured by the pylon in GOES CCOR-1 and is covered by a real-time data gap in STEREO A COR2. The source of this CME is possibly related to a long-duration eruption centered around N35E20 to the northeast of AR 14436 best seen in SDO AIA 193 beginning around 2026-05-14T18:34Z. The eruption is best seen an area of dimming spreading northward into a coronal hole centered around N50E10.","submissionTime":"2026-05-15T00:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46160/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T02:43Z","latitude":34.0,"longitude":-20.0,"halfAngle":15.0,"speed":501.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on SOHO LASCO C2/C3 and visible source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-15T00:16Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46161/-1","enlilList":[{"modelCompletionTime":"2026-05-15T00:31Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46162/-1","impactList":null,"cmeIDs":["2026-05-14T20:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-15T01:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T01:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N20W45","activeRegionNum":null,"note":"CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-15T01:36Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not clearly seen by STEREO A COR2. The source of this CME is a minor eruption from former AR 14438 (N20W45) seen beginning at approx. 2026-05-25T00:15Z in SDO AIA 171/193. Some Southwestern deflection is possible due to this regions proximity to a larger coronal hole.","submissionTime":"2026-05-15T11:44Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46165/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T09:23Z","latitude":6.0,"longitude":53.0,"halfAngle":19.0,"speed":412.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.9,"submissionTime":"2026-05-15T11:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46166/-1","enlilList":[{"modelCompletionTime":"2026-05-15T12:00Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46171/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juice","arrivalTime":"2026-05-20T18:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"STEREO A","arrivalTime":"2026-05-18T08:00Z"}],"cmeIDs":["2026-05-15T01:36:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-18T03:10:00-IPS-001"}],"sentNotifications":null},{"activityID":"2026-05-15T02:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T02:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"S50W60","activeRegionNum":null,"note":"CME first seen to the SE by SOHO LASCO C2 beginning at 2026-05-15T02:00Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This event is not clearly visible in GOES CCOR-1 due to a data gap from 2026-05-15T03:30Z to 2026-05-15T06:30Z. The source of this event is a filament eruption seen centered at approx. S50W60, with detachment beginning at approx. 2026-05-15T01:30Z as seen in SDO AIA and GOES SUVI 304. Field line opening is also visible in SDO AIA 171/193 and GOES SUVI 284.","submissionTime":"2026-05-15T11:59Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46167/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T09:08Z","latitude":-46.0,"longitude":49.0,"halfAngle":23.0,"speed":522.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.5,"submissionTime":"2026-05-15T12:02Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46168/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-15T03:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T03:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N18E01","activeRegionNum":14436,"note":"CME first seen to the NE by STEREO A COR2 beginning at 2026-05-15T03:38Z, as well as by SOHO LASCO C2/C3 in later frames. This event is blocked by the pylon in GOES CCOR-1. The source of this CME is a C3.3 flare and filament eruption seen centered near AR 14436 (N18E01) with lift off beginning at 2026-05-15T02:54Z as seen in SDO AIA, GOES SUVI and STEREO A EUVI 304. Dimming and field line opening is also visible in SDO AIA 171 and 193. This filament appears to be heavily deflected to the North due to the eruption proximity to a large coronal hole.","submissionTime":"2026-05-15T13:25Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46169/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T11:46Z","latitude":33.0,"longitude":-13.0,"halfAngle":16.0,"speed":446.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.7,"submissionTime":"2026-05-15T12:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46170/-1","enlilList":[{"modelCompletionTime":"2026-05-15T12:49Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46172/-1","impactList":null,"cmeIDs":["2026-05-15T03:38:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-15T02:52:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-15T11:01:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T11:01Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S25W150","activeRegionNum":null,"note":"CME first seen to the SW by SOHO LASCO C2 beginning at 2026-05-15T11:01Z, as well as by STEREO A COR2 and GOES CCOR-1. The source of this event is likely far sided field line opening seen from beyond the SW limb in STEREO A EUVI 195 (approx. S25W150) beginning at approx. 2026-05-15T08:55Z.","submissionTime":"2026-05-15T19:14Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46177/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T17:13Z","latitude":-30.0,"longitude":151.0,"halfAngle":30.0,"speed":475.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2, STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.8,"submissionTime":"2026-05-15T15:19Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46178/-1","enlilList":[{"modelCompletionTime":"2026-05-15T15:34Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46179/-1","impactList":null,"cmeIDs":["2026-05-15T11:01:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-15T13:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T13:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N22W76","activeRegionNum":14435,"note":"CME first seen to the West by SOHO LASCO C2 beginning at 2026-05-15T13:48Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. The CME is not clearly seen in STEREO A COR2. The source of this event is a C6.7 flare from AR14435 (N22W76) peaking at 2026-05-15T13:13Z as seen in SDO AIA 131. Field line opening and dimming can be seen in SDO AIA 193 in association with this flare.","submissionTime":"2026-05-15T19:14Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46183/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T01:04Z","latitude":13.0,"longitude":76.0,"halfAngle":31.0,"speed":317.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.7,"submissionTime":"2026-05-15T18:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46184/-1","enlilList":[{"modelCompletionTime":"2026-05-15T18:33Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46187/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-18T00:01Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-20T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-19T02:00Z"}],"cmeIDs":["2026-05-15T13:48:00-CME-001"]},{"modelCompletionTime":"2026-05-15T20:38Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46191/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-17T23:21Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-20T05:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-19T00:00Z"}],"cmeIDs":["2026-05-15T13:48:00-CME-001","2026-05-15T16:48:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-15T13:10:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-15T14:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T14:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE by SOHO LASCO C2 beginning at 2026-05-15T15:12Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1. The source of this event is a filament eruption seen stretching along the NE limb in SDO AIA 304 with liftoff beginning at approx. 2026-05-15T14:30Z.","submissionTime":"2026-05-15T17:17Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46180/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-15T20:50Z","latitude":17.0,"longitude":-75.0,"halfAngle":29.0,"speed":564.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit between SOHO LASCO C2/C3, STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.8,"submissionTime":"2026-05-15T17:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46181/-1","enlilList":[{"modelCompletionTime":"2026-05-15T17:41Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46186/-1","impactList":null,"cmeIDs":["2026-05-15T14:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-15T16:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T16:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N22W76","activeRegionNum":14435,"note":"CME visible to the NW in SOHO LASCO C2/C3 and GOES CCOR-1. Not clearly visible in STEREO A COR2. The source is a C9.5 flare from AR 14435 (N22W76) peaking at 2026-05-15T16:14Z as seen in SDO AIA 131 imagery. An eruption with moving field lines and post-eruptive arcades is visible in SDO AIA 193 and STEREO A EUV 195 imagery.","submissionTime":"2026-05-15T20:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46188/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T02:55Z","latitude":17.0,"longitude":76.0,"halfAngle":30.0,"speed":347.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-15T20:20Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46189/-1","enlilList":[{"modelCompletionTime":"2026-05-15T20:38Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46191/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-17T23:21Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-20T05:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-19T00:00Z"}],"cmeIDs":["2026-05-15T13:48:00-CME-001","2026-05-15T16:48:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-15T16:05:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-15T22:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T22:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Wide CME faintly visible to the SE in SOHO LASCO C2 and GOES CCOR-1. The CME is likely obscured by the pylon in SOHO LASCO C3. The CME is not visible in STEREO A COR2 due to a data gap starting at 2026-05-15T20:53Z. The source is not found in EUV imagery, and is likely far-sided.","submissionTime":"2026-05-16T01:25Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46195/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T13:30Z","latitude":-57.0,"longitude":null,"halfAngle":45.0,"speed":234.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using available SOHO LASCO C2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.9,"submissionTime":"2026-05-16T01:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46196/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-15T22:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-15T22:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the E in SOHO LASCO C2/C3 and GOES CCOR-1, not observed in STEREO A COR2 due to a data gap and/or faint front. No source is directly observed for this CME, so it is likely far-sided.","submissionTime":"2026-05-16T19:37Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46222/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T12:41Z","latitude":-6.0,"longitude":null,"halfAngle":18.0,"speed":260.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-16T19:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46223/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-16T01:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T01:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SE in SOHO LASCO C2 and SW in STEREO A COR2, before it is overtaken by CME: 2026-05-16T03:00Z. No distinct source for this CME is observed, but it is likely far-sided, evidenced by potential field line movement over the GOES SUVI 284 S limb as early as 2026-05-15T20:00Z.","submissionTime":"2026-05-19T13:23Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46224/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T12:58Z","latitude":-23.0,"longitude":-165.0,"halfAngle":34.0,"speed":306.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2, with the few available frames before this front is overtaken by CME: 2026-05-16T03:00Z.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.5,"submissionTime":"2026-05-16T20:03Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46225/-1","enlilList":[{"modelCompletionTime":"2026-05-16T20:42Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46228/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-17T08:55Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-19T10:00Z"}],"cmeIDs":["2026-05-16T03:00:00-CME-001","2026-05-16T01:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-16T03:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T03:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SE in SOHO LASCO C2/C3 and GOES CCOR-1, and SW in STEREO A COR2, quickly overlapping CME: 2026-05-16T01:48Z. This CME is comprised of numerous following fronts of similar structure that blend together in the field-of-view and may merge, this entry follows the leading edge of the eruptive activity and encompasses it all. The source is likely a far-sided weak filament eruption, observed over STEREO A's west limb starting when STEREO A EUVI 304 returns from a data gap at 2026-05-16T02:15Z, and lasting as late as 2026-05-16T07:15Z. Also observed as very faint GOES SUVI 284 field line movement over its S limb as early as 2026-05-15T20:00Z, which may or may not be related to this slow eruption.","submissionTime":"2026-05-19T13:35Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46226/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T12:07Z","latitude":-28.0,"longitude":-166.0,"halfAngle":40.0,"speed":375.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2, following the leadingmost edge of what is observed as numerous outflowing, similar fronts.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.9,"submissionTime":"2026-05-16T20:12Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46227/-1","enlilList":[{"modelCompletionTime":"2026-05-16T20:42Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46228/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-17T08:55Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-19T10:00Z"}],"cmeIDs":["2026-05-16T03:00:00-CME-001","2026-05-16T01:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-16T05:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T05:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N30W80","activeRegionNum":14435,"note":"CME observed to the NW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The source is a filament eruption near the NW limb centered around N30W80, in the vicinity of AR 14435 (N22W83), observed as filament ejecta and field line movement starting around 2026-05-16T04:10Z in SDO AIA 171/193/304.","submissionTime":"2026-05-16T16:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46208/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T12:00Z","latitude":44.0,"longitude":90.0,"halfAngle":21.0,"speed":503.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2/C3 and STEREO A COR2 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.3,"submissionTime":"2026-05-19T13:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46209/-1","enlilList":[{"modelCompletionTime":"2026-05-16T17:23Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46211/-1","impactList":null,"cmeIDs":["2026-05-16T05:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-16T08:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T08:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the W in STEREO A COR2, not observed in the other coronagraphs likely due to the occulting disk blocking the front in LASCO and CCOR-1. The source is likely a new far-sided active region located approximately around S05-S18 and W165-W185, as viewed from Solar Orbiter PHI at 2026-05-16T05:09Z. Solar Orbiter STIX observed an estimated X1 [estimated range M7,X2] flare from this approximate area of the disk, peaking at 2026-05-16T07:08Z. STEREO A EUVI 195/304 observe filament ejecta and field line movement starting at 2026-05-16T07:15Z over its west limb (STEREO A is located around W57.7 at this time, putting its limb around W147.7).","submissionTime":"2026-05-19T21:10Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46197/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T14:28Z","latitude":2.0,"longitude":175.0,"halfAngle":40.0,"speed":548.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"STEREO A COR2 single spacecraft 3D analysis, using W175 as an estimated central location for the eruption following the far-sided analysis detailed in the CME note. Longitude could vary W165-W185.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.3,"submissionTime":"2026-05-16T15:16Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46198/-1","enlilList":[{"modelCompletionTime":"2026-05-16T15:32Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46204/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-20T08:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-20T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-20T00:00Z"}],"cmeIDs":["2026-05-16T08:09:00-CME-001"]},{"modelCompletionTime":"2026-05-16T17:02Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46210/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-20T08:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-20T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-20T00:00Z"}],"cmeIDs":["2026-05-16T08:09:00-CME-001","2026-05-16T13:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260516-AL-005","messageIssueTime":"2026-05-16T17:41Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46212/1"}]},{"activityID":"2026-05-16T13:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T13:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the W in STEREO A COR2 and to the SE in SOHO LASCO C2. This event is unobserved or poorly observed in the other coronagraphs likely due to the occulting disk blocking the front in LASCO C3 and GOES CCOR-1. The source is likely a new far-sided active region located approximately around S05-S18 and W165-W185, as viewed from Solar Orbiter PHI at 2026-05-16T05:09Z. Solar Orbiter STIX observed an estimated X3.2 [X1.6,X6.4] flare peaking at 2026-05-16T12:36Z with its attenuator inserted, from this approximate area of the disk. STEREO A EUVI 195/304 observe filament ejecta and field line movement starting at 2026-05-16T12:45Z over its west limb (STEREO A is located around W57.7 at this time, putting its limb around W147.7).","submissionTime":"2026-05-16T20:16Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46202/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T20:48Z","latitude":-6.0,"longitude":-170.0,"halfAngle":32.0,"speed":426.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated two spacecraft measurement using best fit between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.5,"submissionTime":"2026-05-16T19:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46220/-1","enlilList":[{"modelCompletionTime":"2026-05-16T19:17Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46221/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-17T14:29Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-19T14:11Z"}],"cmeIDs":["2026-05-16T13:23:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-16T21:03Z","latitude":5.0,"longitude":175.0,"halfAngle":32.0,"speed":458.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary, perhaps final, STEREO A COR2 single spacecraft 3D analysis, using W175 as an estimated central location for the eruption following the far-sided analysis detailed in the CME note. Longitude could vary W165-W185.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.8,"submissionTime":"2026-05-16T15:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46203/-1","enlilList":[{"modelCompletionTime":"2026-05-16T16:07Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46205/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-21T08:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-21T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-19T18:00Z"}],"cmeIDs":["2026-05-16T13:23:00-CME-001"]},{"modelCompletionTime":"2026-05-16T17:02Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46210/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-20T08:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-20T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-20T00:00Z"}],"cmeIDs":["2026-05-16T08:09:00-CME-001","2026-05-16T13:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260516-AL-005","messageIssueTime":"2026-05-16T17:41Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46212/1"}]},{"activityID":"2026-05-16T16:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T16:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N22W17","activeRegionNum":14436,"note":"CME observed to the NW in SOHO LASCO C2/C3 and GOES CCOR-1, and NE in STEREO A COR2. The source is observed as significant dimming and an EUV wave centered around N30W13, and field line movement, in SDO AIA 171/193 starting around 2026-05-16T15:18Z, associated with an M1.9 flare peaking at 2026-05-16T16:12Z from AR 14436 (N22W17).","submissionTime":"2026-05-16T20:17Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46214/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-16T19:27Z","latitude":37.0,"longitude":9.0,"halfAngle":22.0,"speed":1201.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.1,"submissionTime":"2026-05-16T18:07Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46215/-1","enlilList":[{"modelCompletionTime":"2026-05-16T18:22Z","au":2.0,"estimatedShockArrivalTime":"2026-05-19T00:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46217/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-05-20T21:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-05-19T16:00Z"}],"cmeIDs":["2026-05-16T16:36:00-CME-001"]},{"modelCompletionTime":"2026-05-16T18:56Z","au":5.5,"estimatedShockArrivalTime":"2026-05-19T00:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46219/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-05-20T21:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-05-19T16:00Z"}],"cmeIDs":["2026-05-16T16:36:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-16T21:43Z","latitude":29.0,"longitude":1.0,"halfAngle":32.0,"speed":716.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement of inner-more bright feature of this CME. Likely not the most representative leading edge.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.0,"submissionTime":"2026-05-17T00:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46231/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-16T15:50:00-FLR-001"},{"activityID":"2026-05-19T06:31:00-IPS-001"}],"sentNotifications":[{"messageID":"20260516-AL-006","messageIssueTime":"2026-05-16T18:38Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46218/1"}]},{"activityID":"2026-05-16T20:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-16T20:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N21W90","activeRegionNum":14435,"note":"Faint CME first seen to the NE by GOES CCOR-1 beginning at 2026-05-16T20:30Z, as well as by SOHO LASCO C3 in later frames. This CME is not clearly visible in STEREO A COR2. The source of this event is an M1.9 flare from AR 14435 (N21W90) which peaked at 2026-05-16T17:42Z as seen in SDO AIA 131. Field line opening is also seen in association with this flare in SDO AIA 171/193. This CME is likely deflected by the large coronal hole in close proximity to the source location.","submissionTime":"2026-05-16T23:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46229/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-17T03:40Z","latitude":40.0,"longitude":90.0,"halfAngle":19.0,"speed":450.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.6,"submissionTime":"2026-05-16T23:29Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46230/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-16T17:39:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-17T02:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-17T02:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is initially bright but becomes faint and diffuse after a few frames in SOHO LASCO C2. The potential source for this CME is moving/opening field lines visible along/beyond the limb to the NW in GOES SUVI 284 starting around 2026-05-17T01:30Z. There are multiple overlapping fronts to the W with start times between 2026-05-17T00:36Z and 2026-05-17T10:24Z which include this CME in the mix.","submissionTime":"2026-05-17T17:58Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46237/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-17T18:25Z","latitude":7.0,"longitude":null,"halfAngle":26.0,"speed":220.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky parameters based on best fit in SOHO LASCO C2 frames before becoming too diffuse to track.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.4,"submissionTime":"2026-05-17T17:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46238/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-17T04:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-17T04:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N22W97","activeRegionNum":14435,"note":"Faint CME visible to the W/NW in SOHO LASCO C2 and possibly in SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2. There are multiple overlapping events to the W with start times between 2026-05-17T00:36Z and 2026-05-17T10:24Z which are difficult to separate outside of SOHO LASCO C2 frames. The source of this CME appears to be an M1.4 class flare from Active Region 14435 (N22W97) based on SDO/AIA 131/304, GOES SUVI 304/284, and STEREO A EUVI 304/195. The associated filament ejecta visible in SDO/AIA, GOES SUVI, and STEREO A EUVI 304 appears to initially deflect southward before returning to the solar disk instead of escaping the disk during the eruption.","submissionTime":"2026-05-17T18:09Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46239/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-17T18:56Z","latitude":9.0,"longitude":97.0,"halfAngle":29.0,"speed":250.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit in SOHO LASCO C2 imagery using the potential source location for longitude. There is some uncertainty with this measurement due to its faintness and diffuse leading edge.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":3.7,"submissionTime":"2026-05-17T18:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46240/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-17T03:29:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-17T06:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-17T06:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"This narrow CME is visible to the W in SOHO LASCO C2 and possibly in SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2. There are multiple overlapping events to the W with start times between 2026-05-17T00:36Z and 2026-05-17T10:24Z. There is no clear source for this CME, but it may be associated with activity from AR 14435 or 14432 which are located beyond the W/NW limb.","submissionTime":"2026-05-17T17:36Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46235/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-17T18:44Z","latitude":2.0,"longitude":null,"halfAngle":10.0,"speed":289.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement based on the best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.1,"submissionTime":"2026-05-17T17:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46236/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-17T10:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-17T10:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow, jet-like CME visible to the NE in SOHO LASCO C2 and STEREO A COR2 imagery. There is no clear source for this CME.","submissionTime":"2026-05-17T18:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46241/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-17T17:21Z","latitude":37.0,"longitude":-40.0,"halfAngle":10.0,"speed":508.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.6,"submissionTime":"2026-05-17T18:27Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46242/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-17T16:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-17T16:08Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Minor narrow CME seen to the southeast in SOHO LASCO C2, not in C3 due to pylon obstruction, and to the southeast in GOES CCOR-1, seen to the southwest as a much wider CME in STEREO A COR2A. Based on the geometry and lack of any sources seen in EUV imagery, this CME appears to be far-sided relative to the Earth-Sun line.","submissionTime":"2026-05-17T22:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46244/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-18T02:16Z","latitude":-42.0,"longitude":-141.0,"halfAngle":13.0,"speed":299.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement using GOES, STEREO Ahead, and SOHO spacecraft for triangulation of the longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-05-17T22:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46245/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-18T06:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-18T06:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow, jet-like CME visible to the NE in STEREO A COR2 and SOHO LASCO C2/C3 imagery. There is no clear source for this CME.","submissionTime":"2026-05-18T16:57Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46247/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-18T13:52Z","latitude":45.0,"longitude":-24.0,"halfAngle":13.0,"speed":456.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.3,"submissionTime":"2026-05-18T17:01Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46248/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-18T06:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-18T06:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME visible to the W/NW in STEREO A COR2, SOHO LASCO C2/C3, and GOES CCOR-1 imagery. The potential source is an eruption from an AR on/beyond the W/NW limb in STEREO A EUVI 195/304 imagery seen as post-eruptive arcades and moving/opening field lines (195) and brightening (304) starting around 2026-05-18T11:00Z.","submissionTime":"2026-05-18T18:30Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46249/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-18T15:38Z","latitude":19.0,"longitude":129.0,"halfAngle":24.0,"speed":390.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.8,"submissionTime":"2026-05-18T18:34Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46250/-1","enlilList":[{"modelCompletionTime":"2026-05-18T18:56Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46252/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Mars","arrivalTime":"2026-05-23T13:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Psyche","arrivalTime":"2026-05-23T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-20T09:30Z"}],"cmeIDs":["2026-05-18T06:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-18T16:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-18T16:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint narrowish CME seen to the W in SOHO LASCO C2/C3, STEREO A COR2 and GOES CCOR-1 coronagraphs. No source has been found for this CME in EUV imagery, so it is likely far-sided.","submissionTime":"2026-05-18T20:12Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46253/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-19T01:18Z","latitude":4.0,"longitude":129.0,"halfAngle":14.0,"speed":375.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis based on the fit with two coronagraphs (SOHO LASCO and STEREO A COR2). No source has been found for it in EUV imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-18T20:14Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46254/-1","enlilList":[{"modelCompletionTime":"2026-05-18T20:29Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46255/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Mars","arrivalTime":"2026-05-24T00:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Psyche","arrivalTime":"2026-05-23T21:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-20T18:00Z"}],"cmeIDs":["2026-05-18T16:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-18T22:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-18T22:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint but fast CME with a dimpled, unclear front seen to the E in SOHO LASCO C2/C3 and GOES CCOR-1 coronagraphs but fully covered by the night-time data gap in STEREO A COR2. The source of it is clearly far-sided, as indicated by a minor but clear movement/opening of field lines seen behind the E limb only in GOES SUVI 195 starting at 2026-05-18T21:05Z.","submissionTime":"2026-05-19T01:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46256/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-19T03:57Z","latitude":3.0,"longitude":null,"halfAngle":10.0,"speed":594.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"The CME is fully covered by the night-time data gap in STEREO A COR2 coronagraph and its far-sided source is behind the east limb, as indicated by the opening of field lines seen in GOES SUVI 195. Only plane-of-sky analysis can be done.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-05-19T01:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46257/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-19T11:01:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-19T11:01Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N17E36","activeRegionNum":14440,"note":"CME associated with minor B8-class solar flare and point source eruption in Active Region 14440 (N17E37), seen to the northeast in SOHO LASCO C2/C3 and to the east-northeast in STEREO A COR2A where it appears much narrower. The EUV signature is characterized by a point source brightening and spray seen best in SDO AIA 193, 171, and 304 starting around 2026-05-19T10:30Z.","submissionTime":"2026-05-19T14:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46259/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-19T16:58Z","latitude":32.0,"longitude":-26.0,"halfAngle":20.0,"speed":564.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement not incorporating the narrow nose which accelerates seen in STEREO A COR2A, so the actual CME speed may be faster than this. Appears wider in SOHO LASCO, so an upper bound on width.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-19T14:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46260/-1","enlilList":[{"modelCompletionTime":"2026-05-19T15:07Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46261/-1","impactList":null,"cmeIDs":["2026-05-19T11:01:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-19T10:22:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-05-19T15:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-19T15:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"A faint minor CME seen to the NW in difference imagery of SOHO LASCO C2, also seen in C3 and GOES CCOR-1 and not seen in STEREO A COR2 coronagraph.  No clear source has been found for this CME in EUV imagery. There are follow-up, similar faint outflows following this CME.","submissionTime":"2026-05-20T00:23Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46264/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T04:38Z","latitude":10.0,"longitude":null,"halfAngle":11.0,"speed":253.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"This faint CME is not seen in STEREO A COR2 coronagraph and no clear source for it has been found in EUV imagery, so only plane-of-sky analysis can be made.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-05-20T00:24Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46265/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T04:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T04:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME seen to the east in SOHO LASCO C2 and SOHO LASCO C3 and to the east in GOES CCOR-1, not well seen in STEREO A COR2A, probably due to geometry (likely directed behind of the STEREO A-Sun line). Appears to be associated with eruptive activity beyond the eastern limb of the Earth facing disk as evidenced by moving/opening field lines seen best in GOES SUVI 284 around 2026-05-20T04:40Z.","submissionTime":"2026-05-20T12:02Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46270/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T09:16Z","latitude":7.0,"longitude":null,"halfAngle":10.0,"speed":789.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Two spacecraft plane of sky measurement, since the source longitude is relatively uncertain. True half-width is less than 10 degrees.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.0,"submissionTime":"2026-05-20T12:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46271/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T05:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T05:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME seen to the south in SOHO LASCO C2/C3, and GOES CCOR-1 and to the southwest in STEREO A COR2A, likely associated with a far-sided eruption as suggested from geometry and lack of Earth-facing eruptive activity in EUV imagery.","submissionTime":"2026-05-20T12:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46272/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T09:43Z","latitude":-31.0,"longitude":-173.0,"halfAngle":12.0,"speed":754.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement to triangulate the longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-05-20T12:16Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46273/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T09:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T09:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Very minor, faint CME seen to the north in SOHO LASCO C2 and to the northeast in STEREO A COR2A; the source is a minor loop which is expelled at very high latitudes seen best in SDO AIA 171 around 2026-05-20T09:00Z.","submissionTime":"2026-05-20T13:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46274/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T15:34Z","latitude":46.0,"longitude":2.0,"halfAngle":16.0,"speed":522.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement which determined that the CME was out of the ecliptic plane.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-20T13:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46275/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T13:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T13:15Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow faint CME seen to the E in GOES CCOR-1 coronagraph and not seen in STEREO A COR2.  At the moment it is covered by a large scheduled data gap in SOHO LASCO. Its start is likely earlier, which can be confirmed if LASCO backfills. Its source is not clear, and is likely far-sided, as possibly indicated by a minor movement of field lines behind the E limb seen in SDO AIA 193 after 14Z.","submissionTime":"2026-05-20T23:59Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46284/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T22:20Z","latitude":-5.0,"longitude":null,"halfAngle":10.0,"speed":355.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"The CME is not seen in STEREO A COR2 coronagraph and its source is not clear (it is likely far-sided). This plane-of-sky analysis is made at the time no LASCO imagery is available, with the use of only GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-20T23:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46285/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T17:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T17:15Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N20W55","activeRegionNum":null,"note":"Two-lobed CME with a somewhat irregular front seen to the NW in GOES CCOR-1 and a loop-like faint partial halo front seen to the NNE in COR2A and covered by the scheduled data gap in SOHO. The source is likely the eruption of a long filament east of AR 14436 (N20W55) best seen in STEREO A EUV 195/304 just E of the central meridian, as seen from STEREO A and in GOES SUVI 284 imagery close to the West limb.","submissionTime":"2026-05-20T23:37Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46280/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T21:58Z","latitude":16.0,"longitude":53.0,"halfAngle":22.0,"speed":661.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"The CME was reanalyzed with later imagery and with inclusion of the more southern lobe of the CME in addition to its northern lobe. Analysis is based on the fit of the faint front in two coronagraphs (GOES CCOR-1 and STEREO A COR2) and takes into account the location of the erupting filament. LASCO imagery is absent at the time of analysis.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.0,"submissionTime":"2026-05-21T02:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46290/-1","enlilList":[{"modelCompletionTime":"2026-05-21T02:40Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46291/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-24T11:19Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-22T22:16Z"}],"cmeIDs":["2026-05-20T17:15:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-20T22:30Z","latitude":20.0,"longitude":48.0,"halfAngle":18.0,"speed":574.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Very approximate analysis based on the fit of the larger lobe of this CME in early imagery in two coronagraphs, GOES CCOR-1 and STEREO A COR2, and roughly corresponding to the source eruption's parameters. The front of the CME is faint and somewhat unclear in both coronagraphs.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-05-21T02:33Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46281/-1","enlilList":[{"modelCompletionTime":"2026-05-20T23:29Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46282/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juice","arrivalTime":"2026-05-24T15:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-23T02:00Z"}],"cmeIDs":["2026-05-20T17:15:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260520-AL-002","messageIssueTime":"2026-05-20T23:46Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46283/1"},{"messageID":"20260521-AL-001","messageIssueTime":"2026-05-21T12:40Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46292/1"}]},{"activityID":"2026-05-20T18:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T18:45Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Minor faint CME seen to the E in GOES CCOR-1 coronagraph and not seen in STEREO A COR2. At this moment it is covered by a large scheduled data gap in SOHO LASCO. Its start is likely earlier, which can be confirmed if LASCO backfills. No source has been found for this CME.","submissionTime":"2026-05-21T00:22Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46286/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-21T06:32Z","latitude":-8.0,"longitude":null,"halfAngle":13.0,"speed":278.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"The CME is not seen in STEREO A COR2 coronagraph and its source is not clear. This plane-of-sky analysis is made at the time no LASCO imagery is available, with the use of only GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-05-21T00:23Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46287/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-20T19:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-20T19:00Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Very faint narrow CME seen best to the SSW in GOES CCOR-1 and likely also seen to the SW in a few timestamps of STEREO A COR2, although very faintly. Its start is likely earlier and can be clarified if LASCO imagery backfills. The source is likely a prominence seen lifting off from behind the SW limb in STEREO A EUV 304 starting after 2026-05-20T16:45Z. This CME is followed by at least one outflow.","submissionTime":"2026-05-21T00:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46288/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-20T22:54Z","latitude":-41.0,"longitude":160.0,"halfAngle":11.0,"speed":639.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate and somewhat speculative analysis based on the fit of a very faint front in two coronagraphs, GOES CCOR-1 and STEREO A COR2, and loosely confirmed by a possible source located behind the SW limb as seen from STEREO A.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-05-21T00:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46289/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-21T11:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-21T11:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source for this event is unclear, but may be related to a minor eruption centered near N05E30 starting round 2026-05-21T07:00Z seen in SDO AIA 304 imagery.","submissionTime":"2026-05-22T12:01Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46293/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-21T20:17Z","latitude":9.0,"longitude":-53.0,"halfAngle":10.0,"speed":386.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.1,"submissionTime":"2026-05-21T17:27Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46294/-1","enlilList":[{"modelCompletionTime":"2026-05-21T17:42Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46295/-1","impactList":null,"cmeIDs":["2026-05-21T11:24:00-CME-001"]},{"modelCompletionTime":"2026-05-21T18:22Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46297/-1","impactList":null,"cmeIDs":["2026-05-21T11:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-22T10:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-22T10:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N18W96","activeRegionNum":14436,"note":"CME visible to the NW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The source is an M2.3 flare peaking at 2026-05-22T10:29Z from AR 14436 (approximately N18W96) as seen in STEREO A EUV 195 imagery. Dimming is best seen in STEREO A EUV 195 imagery. Opening field lines and post-eruptive arcades are visible in SDO AIA 171/193/284 imagery.","submissionTime":"2026-05-22T13:45Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46299/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-22T17:11Z","latitude":35.0,"longitude":95.0,"halfAngle":28.0,"speed":594.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated measurement based on source location as well as the best fit between SOHO LASCO C2/C3, STEREO A COR2, and GOES CCOR-1 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.6,"submissionTime":"2026-05-22T13:23Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46301/-1","enlilList":[{"modelCompletionTime":"2026-05-22T13:39Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46302/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-23T18:09Z"}],"cmeIDs":["2026-05-22T10:48:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-22T16:44Z","latitude":33.0,"longitude":95.0,"halfAngle":27.0,"speed":639.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary measurement based on source location using SOHO LASCO C2/C3 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-05-22T12:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46300/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-22T10:03:00-FLR-001"}],"sentNotifications":[{"messageID":"20260522-AL-001","messageIssueTime":"2026-05-22T13:51Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46303/1"}]},{"activityID":"2026-05-22T19:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-22T19:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NW in GOES CCOR-1 starting around 2026-05-22T19:30Z. It is also seen to the NW in SOHO LASCO C3. It is missed in SOHO LASCO C2 and STEREO A COR2 due to real-time data gaps. There is not a separate, front-sided source for this CME, so it is most likely far-sided and possibly outflow following earlier CME: 2026-05-22T10:48Z.","submissionTime":"2026-05-23T00:57Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46306/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T05:04Z","latitude":16.0,"longitude":null,"halfAngle":17.0,"speed":355.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to lack of available coronagraph triangulation and lack of visible source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.5,"submissionTime":"2026-05-23T00:58Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46307/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T02:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T02:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME with clear front in STEREO A COR2. The front in SOHO LASCO and GOES CCOR-1 that possibly corresponds to this event is very faint and unclear. No clear source has been found for this CME, although there is a far-sided field line movement around 2026-05-23T02:11Z pretty clearly in SUVI 284, but the CME does not triangulate to the east limb.","submissionTime":"2026-05-23T22:49Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46331/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T08:09Z","latitude":5.0,"longitude":-33.0,"halfAngle":11.0,"speed":624.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"A very speculative analysis based on the fit with STEREO A COR2 and SOHO LASCO C2/C3. While the COR2A front is bright, the front in LASCO is extremely faint. No source has been found on the earth-facing disk for this CME.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-05-23T22:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46332/-1","enlilList":[{"modelCompletionTime":"2026-05-23T23:07Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46335/-1","impactList":null,"cmeIDs":["2026-05-23T02:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T04:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T04:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint loop CME to the E in SOHO LASCO C2/C3 and GOES CCOR-1 and STEREO A COR2 coronagraphs. No clear source for this CME is seen in EUV imagery.","submissionTime":"2026-05-23T23:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46333/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T15:56Z","latitude":-10.0,"longitude":-58.0,"halfAngle":24.0,"speed":286.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Very approximate analysis based on the fit of the loop fronts in SOHO LASCO and STEREO A COR2 coronagraphs and not confirmed by the source location as no source has been found in EUV imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.0,"submissionTime":"2026-05-23T23:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46334/-1","enlilList":[{"modelCompletionTime":"2026-05-23T23:28Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46336/-1","impactList":null,"cmeIDs":["2026-05-23T04:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T05:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T05:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow faint CME seen to the WNW in SOHO LASCO C2/C3 and GOES CCOR-1 and likely not seen in STEREO A COR2. No clear source for this CME has been found in EUV imagery.","submissionTime":"2026-05-24T00:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46337/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T17:20Z","latitude":9.0,"longitude":null,"halfAngle":10.0,"speed":269.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"It is not clear if the CME is seen in STEREO A COR2 coronagraph and no source has been found for it, so only plane-of-sky analysis can be done.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-05-24T00:08Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46338/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T06:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T06:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N18W105","activeRegionNum":14436,"note":"CME observed to the NW in SOHO LASCO C2/C3 and GOES CCOR-1, and as a faint N/NW partial halo in STEREO A COR2. The source is very likely former AR 14436, located around N18 and W100-W110. Observed as field line movement and loops breaking over the NW limb in SDO AIA 171/193 starting around 2026-05-23T05:18Z, and directly observed in STEREO A EUVI 195 as slow dimming and brightening starting around 2026-05-23T06:05Z in a wide area around former AR 14436's location. This active region is in close proximity to a large coronal hole to its southwest, possibly affecting CME propagation.","submissionTime":"2026-05-23T16:33Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46308/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T18:42Z","latitude":24.0,"longitude":73.0,"halfAngle":28.0,"speed":319.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between the clear view in LASCO C3 and faint, difficult to resolve view in STEREO A COR2. Despite the source being located around W105, this front does not fit well outside of the W70-W80 range, with available imagery and its quality. Attempts to fit around W105 do not match the COR2A structure, but no other corresponding eruptions or fronts to account for this are identified, so it is possible this CME is just greatly deflected away from the source coordinates.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.7,"submissionTime":"2026-05-23T16:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46309/-1","enlilList":[{"modelCompletionTime":"2026-05-23T16:55Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46311/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Parker Solar Probe","arrivalTime":"2026-05-25T09:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-26T20:00Z"}],"cmeIDs":["2026-05-23T06:48:00-CME-001"]},{"modelCompletionTime":"2026-05-23T19:06Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46321/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-24T19:22Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-26T13:26Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-28T20:00Z"}],"cmeIDs":["2026-05-23T06:48:00-CME-001","2026-05-23T16:00:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-23T17:24Z","latitude":25.0,"longitude":105.0,"halfAngle":29.0,"speed":368.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"A preliminary SOHO LASCO C3 analysis close to the approximate observed source of the CME around N18W105. This does not match the STEREO A COR2 front for full triangulation (see other CME analysis note), but is presented due to the magnitude of the other analysis' deflection.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":16.7,"submissionTime":"2026-05-23T16:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46310/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-05-26T01:30:00-IPS-001"}],"sentNotifications":[{"messageID":"20260523-AL-001","messageIssueTime":"2026-05-23T19:35Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46322/1"}]},{"activityID":"2026-05-23T07:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T07:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SE only in SOHO LASCO C2, better in running difference imagery, fading after a few early frames. The source is a rapid snap of field lines to the SE starting at 2026-05-23T07:19Z in GOES SUVI 284, from a likely far-sided source yet to rotate on.","submissionTime":"2026-05-23T19:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46324/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T13:59Z","latitude":-24.0,"longitude":null,"halfAngle":41.0,"speed":580.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.1,"submissionTime":"2026-05-23T19:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46325/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T12:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T12:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SE only in SOHO LASCO C2, better in running difference imagery, fading after a few early frames. The source is a rapid snap of field lines to the SE starting at 2026-05-23T11:51Z in GOES SUVI 284, from a likely far-sided source yet to rotate on.","submissionTime":"2026-05-23T19:41Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46326/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T20:14Z","latitude":-20.0,"longitude":null,"halfAngle":42.0,"speed":442.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.5,"submissionTime":"2026-05-23T19:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46327/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T14:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T14:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NNE in SOHO LASCO C2/C3, and due N in STEREO A COR2. Likely occulted by the pylon in GOES CCOR-1. Source is far-sided over the NE limb, observed best in GOES SUVI 284 as a wide breaking of field lines over the NE starting around 2026-05-23T14:43Z as part of a series of similar field line movements and CME fronts at this time.","submissionTime":"2026-05-23T17:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46312/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-24T01:30Z","latitude":62.0,"longitude":-119.0,"halfAngle":18.0,"speed":341.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 and STEREO A COR2 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.2,"submissionTime":"2026-05-23T17:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46313/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T16:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T16:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N18W75","activeRegionNum":14441,"note":"CME observed to the WNW in SOHO LASCO C2/C3 and GOES CCOR-1, and NW as a partial halo in STEREO A COR2. The source is just NW of AR 14441 (N08W67), centered around N18W75. First observed as field line movement and loop breaking on the NW limb in SDO AIA 171/193, and dimming in SDO AIA 193, starting around 2026-05-23T15:01Z; also observed well in STEREO A EUVI as a wide dimming Starting around 2026-05-23T16:05Z identifying AR 14441 as the source and not former AR 14436 located further behind the limb.","submissionTime":"2026-05-23T18:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46314/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T21:36Z","latitude":29.0,"longitude":83.0,"halfAngle":32.0,"speed":680.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2/C3 and STEREO A COR2 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.6,"submissionTime":"2026-05-23T18:27Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46315/-1","enlilList":[{"modelCompletionTime":"2026-05-23T18:41Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46316/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-24T19:16Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-26T14:08Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-28T20:00Z"}],"cmeIDs":["2026-05-23T16:00:00-CME-001"]},{"modelCompletionTime":"2026-05-23T19:06Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46321/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-24T19:22Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-26T13:26Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-05-28T20:00Z"}],"cmeIDs":["2026-05-23T06:48:00-CME-001","2026-05-23T16:00:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-26T01:30:00-IPS-001"}],"sentNotifications":[{"messageID":"20260523-AL-001","messageIssueTime":"2026-05-23T19:35Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46322/1"}]},{"activityID":"2026-05-23T16:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T16:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NNE in SOHO LASCO C2/C3, and due N in STEREO A COR2. Likely occulted by the pylon in GOES CCOR-1. Source is far-sided over the NE limb, observed best in GOES SUVI 284 as a wide breaking of field lines over the NE starting around 2026-05-23T16:15Z as part of a series of similar field line movements and CME fronts at this time.","submissionTime":"2026-05-23T18:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46317/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T22:07Z","latitude":60.0,"longitude":-134.0,"halfAngle":16.0,"speed":621.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 and STEREO A COR2 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.2,"submissionTime":"2026-05-23T18:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46318/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T17:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T17:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NNE in SOHO LASCO C2/C3, and due N in STEREO A COR2. Likely occulted by the pylon in GOES CCOR-1. Source is far-sided over the NE limb, observed best in GOES SUVI 284 as a wide breaking of field lines over the NE starting around 2026-05-23T16:59Z as part of a series of similar field line movements and CME fronts at this time.","submissionTime":"2026-05-23T18:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46319/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T23:58Z","latitude":59.0,"longitude":-134.0,"halfAngle":21.0,"speed":518.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 and STEREO A COR2 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.3,"submissionTime":"2026-05-23T18:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46320/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T19:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T19:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Fast CME with a brighter, narrower bulk partially obscured by the pylon in GOES CCOR-1 and a fainter halo shock seen to the N in COR2A and to the NE in CCOR-1 (and initially covered by the scheduled data gap in SOHO LASCO). It is associated with the fast far-sided eruption seen to the NNE in SOHO LASCO 171 and GOES SUVI 284 as fast movement of field lines and restructuring of magnetic field and as long, narrow strands of a filament in GOES SUVI 304. It is associated with type II radio burst.","submissionTime":"2026-05-23T21:23Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46328/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-23T23:42Z","latitude":63.0,"longitude":-123.0,"halfAngle":35.0,"speed":847.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis of the brighter bulk based on the fit with two coronagraphs, GOES CCOR-1 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.0,"submissionTime":"2026-05-24T01:33Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46329/-1","enlilList":[]},{"isMostAccurate":true,"time21_5":"2026-05-23T22:51Z","latitude":48.0,"longitude":-129.0,"halfAngle":47.0,"speed":1074.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis of the faint halo shock front based on the fit with two coronagraphs, GOES CCOR-1 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-05-24T01:33Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46341/-1","enlilList":[]},{"isMostAccurate":false,"time21_5":"2026-05-23T22:29Z","latitude":51.0,"longitude":-126.0,"halfAngle":32.0,"speed":1262.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary, very approximate analysis of the brighter bulk based on the fit of early coronagraph imagery with two coronagraphs, GOES CCOR-1 and STEREO A COR2. This far-sided CME is partially obscured by the pylon in CCOR-1 making analysis difficult.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.0,"submissionTime":"2026-05-24T01:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46330/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-23T20:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-23T20:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME seen to the NW in SOHO LASCO and GOES CCOR-1 with an irregular front overlapping with earlier NW CMEs. The front is likely also seen to the NW in a couple of timestamps of STEREO A COR2. Its source is not clear: one source could be a minor eruption in AR 14441 (N8W68)seen at 2026-05-23T10:45 in STA EUV 304/195 seen as brightening and dimming but it is not confirmed by the fit with coronagraphs. Another source could be AR 14436 (N18W110) which has been showing signs of activity for many hours.","submissionTime":"2026-05-24T01:17Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46339/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-24T02:07Z","latitude":26.0,"longitude":110.0,"halfAngle":28.0,"speed":580.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Speculative, approximate analysis based on the fit with two coronagraphs (STEREO A COR2 and GOES CCOR-1) and on Active Region 14436 (N18W110) as a possible source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.0,"submissionTime":"2026-05-24T01:19Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46340/-1","enlilList":[{"modelCompletionTime":"2026-05-24T01:39Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46342/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-25T00:45Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-27T08:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-27T07:00Z"}],"cmeIDs":["2026-05-23T20:30:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260524-AL-001","messageIssueTime":"2026-05-24T01:47Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46343/1"}]},{"activityID":"2026-05-24T09:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-24T09:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME seen to the northwest in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2A, likely associated with a far-sided eruption as evidenced by moving field lines off the western limb seen best in SDO AIA 171 near 2026-05-24T09:00Z.","submissionTime":"2026-05-24T13:13Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46344/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-24T14:35Z","latitude":31.0,"longitude":102.0,"halfAngle":31.0,"speed":643.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement using all coronagraphs for triangulation of the longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-05-24T13:14Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46345/-1","enlilList":[{"modelCompletionTime":"2026-05-24T13:29Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46346/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-25T11:37Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-28T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-27T21:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-05-27T20:00Z"}],"cmeIDs":["2026-05-24T09:12:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-27T01:25:00-IPS-001"}],"sentNotifications":[{"messageID":"20260524-AL-002","messageIssueTime":"2026-05-24T13:48Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46347/1"}]},{"activityID":"2026-05-24T11:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-24T11:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME seen to the northeast in SOHO LASCO C2/C3 and to the north-northwest in STEREO A COR2A with an uncertain source, likely associated with far-sided eruptive activity as evidenced by the CME geometry.","submissionTime":"2026-05-24T15:49Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46349/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-24T16:12Z","latitude":48.0,"longitude":-121.0,"halfAngle":18.0,"speed":630.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement using all available spacecraft (SOHO, STEREO A, GOES) coronagraphs out to nine solar radii.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-05-24T15:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46350/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-24T16:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-24T16:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Minor, narrow CME seen to the east in SOHO LASCO C2/C3 and GOES CCOR-1 but not in STEREO A COR2A due to poor image quality. The CME is most likely associated with far-sided eruptive activity.","submissionTime":"2026-05-24T19:50Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46352/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-24T20:04Z","latitude":24.0,"longitude":null,"halfAngle":13.0,"speed":799.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge plane of sky measurement as the source longitude is uncertain.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.0,"submissionTime":"2026-05-24T19:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46353/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-24T20:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-24T20:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE in SOHO LASCO C2 starting around 2026-05-24T20:00Z. It is also seen to the NE in SOHO LASCO C3, but is obscured by the pylon in GOES CCOR-1. The source is most likely related to some field line movement seen beyond the NE limb best seen in GOES SUVI 284 beginning as early as 2026-05-24T18:30Z. The field line movement can also be faintly seen well beyond the E limb in STEREO A EUVI 195. There is also a narrow feature to the E in STEREO A COR2 that could be this CME, but a good triangulated fit cannot be made between SOHO LASCO C2/C3 and STEREO A COR2, particularly due to the grainy image quality in COR2A. No additional source was found.","submissionTime":"2026-05-25T00:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46354/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-25T05:20Z","latitude":46.0,"longitude":null,"halfAngle":14.0,"speed":386.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement based on running difference imagery from SOHO LASCO C2/C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-25T00:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46355/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-25T07:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T07:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME visible to the NE in SOHO LASCO C2/C3, GOES CCOR-1, and to the N/NW in STEREO A COR2 imagery. The source of this CME is a filament eruption visible beyond the NE limb in GOES SUVI 304 and 284 starting around 2026-05-25T06:57Z. This eruption is also visible in SDO/AIA wavelengths.","submissionTime":"2026-05-25T17:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46356/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-25T14:15Z","latitude":32.0,"longitude":-125.0,"halfAngle":27.0,"speed":476.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.7,"submissionTime":"2026-05-25T17:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46357/-1","enlilList":[{"modelCompletionTime":"2026-05-25T18:00Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46358/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-05-26T14:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-28T12:00Z"}],"cmeIDs":["2026-05-25T07:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-25T20:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T20:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 imagery. This event is not seen in STEREO A COR2 imagery due to a data gap starting at 2026-05-25T20:53Z. Additionally, this event is blocked by the pylon in GOES CCOR-1 imagery. The source is a far-sided eruption visible over the northeast limb in SDO AIA 171/193 and GOES SUVI 171/195/284 imagery starting around 2026-05-25T20:09Z. A faint opening of field lines is observed over the northwest limb in SDO AIA 171/193 and GOES SUVI 171/195 imagery.","submissionTime":"2026-05-26T15:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46387/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T05:51Z","latitude":53.0,"longitude":null,"halfAngle":10.0,"speed":376.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -90 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.2,"submissionTime":"2026-05-26T15:12Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46388/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-25T21:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T21:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. This event is not seen STEREO A COR2 imagery due to the data gap in STEREO A COR2 imagery starting at 2026-05-25T20:53Z. The source is an eruption visible near the northeast limb in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery starting around 2026-05-26T21:12Z. A subsequent opening of field lines is observed over the northeast limb in SDO AIA 171/193 and GOES SUVI 171/195/284 imagery.","submissionTime":"2026-05-26T15:16Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46389/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T04:14Z","latitude":50.0,"longitude":-90.0,"halfAngle":16.0,"speed":556.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measured longitude based on the approximate source location. Due to a data gap in STEREO A COR2 imagery at the time of this event, the measured longitude may vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.4,"submissionTime":"2026-05-26T15:20Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46390/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-25T22:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T22:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Fast, halo CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-25T22:12Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is likely a far sided flare seen by the Solar orbiter STIX instrument peaking at approx. 2026-05-25T22:04Z with an estimated peak of M7.3 (potential range of [M4.0,X1.4]). Filament ejecta can also be seen in association with this eruption beyond the NW limb in SDO AIA and GOES SUVI 304 beginning at approx. 2026-05-25T21:57Z, along with wide opening field lines and EUV wave observed in SDO AIA 171, 193 and GOES SUVI 284. This event is also associated with solar energetic particle enhancements at SOHO, GOES and STEREO Ahead.","submissionTime":"2026-05-26T15:19Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46360/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T01:27Z","latitude":21.0,"longitude":149.0,"halfAngle":37.0,"speed":1174.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated BULK measurement based on SOHO LASCO C3 and GOES CCOR-1 imagery. Longitude and latitude were based on potential source signature in STEREO A EUVI 304 and 195 along the NW limb following the return of data around 2026-05-26T01:45Z.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":28.9,"submissionTime":"2026-05-26T12:32Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46382/-1","enlilList":[{"modelCompletionTime":"2026-05-26T12:48Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46384/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-28T10:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T19:34Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-28T09:01Z"}],"cmeIDs":["2026-05-25T22:12:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-05-25T23:57Z","latitude":21.0,"longitude":156.0,"halfAngle":42.0,"speed":1786.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated SHOCK measurement using potential source location from STEREO A EUVI 304/195. There is a higher level of uncertainty with this analysis due to limited triangulation ability as well as the unique shape of the CME front. This analysis tracks the furthest out portion of the shock (the \"nose\") of the CME and includes most of the shock that is more in the ecliptic plane, however this measurement also includes unavoidable empty/dead space due to the overall shape of the shock front and the restrictions of the SWPC_CAT measuring tool.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":27.2,"submissionTime":"2026-05-26T13:01Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46383/-1","enlilList":[{"modelCompletionTime":"2026-05-26T13:19Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46386/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-27T18:58Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-27T18:01Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T14:00Z"}],"cmeIDs":["2026-05-25T22:12:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-25T23:58Z","latitude":28.0,"longitude":145.0,"halfAngle":31.0,"speed":1980.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary leading edge analysis, assuming former AR 14436 (~N18W145 at this time). STEREO A COR2 observations not available due to data gap, and not yet observed in LASCO C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.4,"submissionTime":"2026-05-26T01:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46361/-1","enlilList":[{"modelCompletionTime":"2026-05-25T23:37Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46369/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-27T22:42Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-27T21:38Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T16:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-28T14:00Z"}],"cmeIDs":["2026-05-25T22:12:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-26T00:16Z","latitude":27.0,"longitude":145.0,"halfAngle":43.0,"speed":1671.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Shock front analysis with SOHO LASCO C2/C3 and GOES CCOR-1. STEREO A COR2 not available due to a data gap. The shock front is notably irregular shaped, with a northern lobe and southern feature observed as a wide partial halo. This fit tracks the majority of the observed shock front prioritizing the northern lobe in similarity to the bulk leading edge directionality. Longitude of W145 used as the approximate source of former AR 14436; the likely source for this CME without direct observation, and as such longitude could vary between W135-W155.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":23.9,"submissionTime":"2026-05-26T01:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46377/-1","enlilList":[{"modelCompletionTime":"2026-05-26T02:07Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46378/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-27T20:46Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T13:22Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-27T19:55Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-05-28T06:00Z"}],"cmeIDs":["2026-05-25T22:12:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-05-25T23:31:00-SEP-001"},{"activityID":"2026-05-25T23:31:00-SEP-002"},{"activityID":"2026-05-25T23:34:00-SEP-001"},{"activityID":"2026-05-25T23:35:00-SEP-001"},{"activityID":"2026-05-25T23:35:00-SEP-003"},{"activityID":"2026-05-25T23:39:00-SEP-001"},{"activityID":"2026-05-26T00:15:00-SEP-001"},{"activityID":"2026-05-26T04:07:00-SEP-001"}],"sentNotifications":[{"messageID":"20260526-AL-002","messageIssueTime":"2026-05-26T00:24Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46375/1"},{"messageID":"20260526-AL-006","messageIssueTime":"2026-05-26T13:31Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46385/1"}]},{"activityID":"2026-05-25T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. This event is not seen STEREO A COR2 imagery due to the data gap in STEREO A COR2 imagery starting at 2026-05-25T20:53Z. The source is a far-sided eruption visible over/near the northeast limb in SDO AIA 131/171/193 and GOES SUVI 131/171/193/284 imagery starting around 2026-05-25T22:15Z. A subsequent opening of field lines is visible over the northeast limb in SDO AIA 171/193 and GOES SUVI 171/193/284 imagery.","submissionTime":"2026-05-26T15:35Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46391/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T06:01Z","latitude":52.0,"longitude":null,"halfAngle":13.0,"speed":511.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -90 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-05-26T15:36Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46392/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-25T23:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-25T23:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint loop CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-25T23:24Z, as well by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not clearly seen in STEREO A COR2 due to a data gap from 2026-05-25T20:53Z to 2026-05-26T01:23Z. The source of this event is likely continued far sided outflow following earlier CME: 2026-05-25T22:12Z.","submissionTime":"2026-05-26T16:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46398/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T02:23Z","latitude":20.0,"longitude":150.0,"halfAngle":38.0,"speed":1096.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit in SOHO LASCO C2/C3 and longitude fit of previous CME: 2026-05-25T22:12Z.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-05-26T17:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46399/-1","enlilList":[{"modelCompletionTime":"2026-05-26T17:21Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46407/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-28T13:05Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T20:56Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-28T11:51Z"}],"cmeIDs":["2026-05-25T23:24:00-CME-001","2026-05-26T00:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260526-AL-007","messageIssueTime":"2026-05-26T17:49Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46408/1"}]},{"activityID":"2026-05-26T00:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T00:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-26T00:48Z, as well by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not clearly seen in STEREO A COR2 due to a data gap from 2026-05-25T20:53Z to 2026-05-26T01:23Z. The source of this event is likely continued far sided outflow following earlier CME: 2026-05-25T22:12Z.","submissionTime":"2026-05-26T17:02Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46400/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T05:57Z","latitude":21.0,"longitude":139.0,"halfAngle":29.0,"speed":606.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit in GOES CCOR-1, SOHO LASCO C3 and longitude fit of earlier large CME: 2026-05-25T22:12Z.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.9,"submissionTime":"2026-05-26T17:05Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46401/-1","enlilList":[{"modelCompletionTime":"2026-05-26T17:21Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46407/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-28T13:05Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-26T20:56Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-28T11:51Z"}],"cmeIDs":["2026-05-25T23:24:00-CME-001","2026-05-26T00:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260526-AL-007","messageIssueTime":"2026-05-26T17:49Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46408/1"}]},{"activityID":"2026-05-26T02:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T02:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-26T02:12Z, as well by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is likely continued far sided outflow following earlier CME: 2026-05-25T22:12Z and field line movement along the NW limb.","submissionTime":"2026-05-26T17:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46402/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T06:45Z","latitude":33.0,"longitude":119.0,"halfAngle":24.0,"speed":820.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit between SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.3,"submissionTime":"2026-05-26T17:19Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46403/-1","enlilList":[{"modelCompletionTime":"2026-05-26T17:44Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46409/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Parker Solar Probe","arrivalTime":"2026-05-27T02:24Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Mars","arrivalTime":"2026-05-29T08:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Psyche","arrivalTime":"2026-05-29T06:00Z"}],"cmeIDs":["2026-05-26T02:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260526-AL-008","messageIssueTime":"2026-05-26T17:56Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46410/1"}]},{"activityID":"2026-05-26T04:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T04:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME visible to the SE in SOHO LASCO C2/C3, GOES CCOR-1, STEREO A COR2. There isn't a clear source, but there are moving/opening field lines visible in the SE as seen in SDO/AIA 193 around 2026-05-26T04:40Z.","submissionTime":"2026-05-26T18:00Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46411/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T13:02Z","latitude":-40.0,"longitude":-33.0,"halfAngle":30.0,"speed":413.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.8,"submissionTime":"2026-05-26T18:01Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46412/-1","enlilList":[{"modelCompletionTime":"2026-05-26T18:25Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46414/-1","impactList":null,"cmeIDs":["2026-05-26T04:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T05:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T05:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-26T05:36Z, as well by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is likely far sided field line movement seen in SDO AIA 193 and continued outflow following earlier CME: 2026-05-25T22:12Z.","submissionTime":"2026-05-26T17:39Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46404/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T15:01Z","latitude":29.0,"longitude":121.0,"halfAngle":16.0,"speed":379.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-26T17:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46405/-1","enlilList":[{"modelCompletionTime":"2026-05-26T18:05Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46413/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-05-30T14:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-05-30T12:00Z"}],"cmeIDs":["2026-05-26T05:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T06:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T06:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-26T06:00Z, as well as by SOHO LASCO 3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is likely continued far sided outflow following earlier CME: 2026-05-25T22:12Z.","submissionTime":"2026-05-26T16:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46396/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-26T13:09Z","latitude":44.0,"longitude":166.0,"halfAngle":10.0,"speed":463.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.3,"submissionTime":"2026-05-26T16:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46397/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T07:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T07:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Bright streamer blowout CME to the SW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. This CME appears to be visibly wider in SOHO LASCO C2/C3 and GOES CCOR-1 than in STEREO A COR2 imagery, which is likely due to the separate perspectives.","submissionTime":"2026-05-26T15:57Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46394/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T03:51Z","latitude":-41.0,"longitude":140.0,"halfAngle":32.0,"speed":197.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary measurement using width of CME from STEREO A COR2's perspective. This measurement may be updated with later frames in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.5,"submissionTime":"2026-05-26T16:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46395/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T16:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T16:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the W in STEREO A COR2 only. This is likely far-sided, but no direct source is observed in available low-cadence STEREO A EUVI 195 and 304 imagery.","submissionTime":"2026-05-26T19:41Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46415/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T01:12Z","latitude":2.0,"longitude":null,"halfAngle":20.0,"speed":365.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A COR2 only plane-of-sky as the only observing coronagraph, and lack of observed source (likely far-sided from Earth). STEREO A currently at W58.8, putting its west plane-of-sky at W148.8 for this analysis.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.6,"submissionTime":"2026-05-26T19:45Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46416/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T18:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T18:12Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SW in only a few frames of SOHO LASCO C2 before fading into background. The source is likely far-sided from Earth, and may be observed as slow field line movement beyond STEREO A's SW limb (limb ~W148.8 with STEREO A at W58.8) in STEREO A EUVI 195 starting as early as 2026-05-26T13:05Z and lasting several hours, past the CME start time.","submissionTime":"2026-05-26T20:59Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46417/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T07:01Z","latitude":-22.0,"longitude":null,"halfAngle":18.0,"speed":289.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky as the only observing coronagraph, and likely but unclear far-sided source visible only as slow field line movement beyond STEREO A's SW limb. No STEREO A COR2 visibility of the front. Front fades into the running difference background after several frames.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.1,"submissionTime":"2026-05-26T21:01Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46418/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T21:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T21:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N17E90","activeRegionNum":null,"note":"CME observed to the NE only in SOHO LASCO C2, fading after a few frames. The source is on/just beyond the NE limb as filament ejecta and field line movement in GOES SUVI 304 starting at 2026-05-26T20:05Z. A second filament ejecta follows immediately after directed further northward, responsible for separate overlapping CME: 2026-05-26T21:36Z.","submissionTime":"2026-05-27T01:49Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46421/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T06:36Z","latitude":34.0,"longitude":-90.0,"halfAngle":13.0,"speed":386.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 only 3D analysis, using E90 as the observed source longitude approximation and not as a plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.7,"submissionTime":"2026-05-27T01:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46422/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T21:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T21:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N17E90","activeRegionNum":null,"note":"CME observed to the NE only in SOHO LASCO C2, fading after a few frames. The source is on/just beyond the NE limb as filament ejecta and field line movement in GOES SUVI 304 starting at 2026-05-26T21:09Z. This CME immediately follows and overlaps with CME: 2026-05-26T21:00Z.","submissionTime":"2026-05-27T01:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46423/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T04:49Z","latitude":58.0,"longitude":-90.0,"halfAngle":19.0,"speed":492.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 only 3D analysis, using E90 as the observed source longitude approximation and not as a plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.6,"submissionTime":"2026-05-27T01:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46424/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-26T22:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-26T22:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S30E53","activeRegionNum":null,"note":"Very faint partial halo CME observed in SOHO LASCO C2 and GOES CCOR-1, also in LASCO C3 obscured heavily by the pylon (and difficult to observe outside running difference imagery in all). STEREO A COR2 in a data gap at this time. The source may be some field line movement and breaking loops observed around 2026-05-26T21:39Z to the SE only in GOES SUVI 284, tracing to an approximate source on-disk around S30E53 (and could vary slightly, due to the brightness of this cluster of regions in SUVI 284).","submissionTime":"2026-05-27T01:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46419/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T09:30Z","latitude":-21.0,"longitude":-54.0,"halfAngle":45.0,"speed":330.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"3D SOHO LASCO C2 and GOES CCOR-1 tracking using the approximate source ~E53 and using the partial halo shape for the width. Due to the faintness of this front and no COR2A to triangulate, the latitude, longitude, and width could vary.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.9,"submissionTime":"2026-05-27T01:45Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46420/-1","enlilList":[{"modelCompletionTime":"2026-05-27T01:58Z","au":2.0,"estimatedShockArrivalTime":"2026-05-30T18:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":3,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46425/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-28T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-02T09:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-05-31T22:00Z"}],"cmeIDs":["2026-05-26T22:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-27T01:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-27T01:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This event is visible to the southwest in STEREO A COR2 imagery following a data gap between 2026-05-26T20:23Z to 2026-05-27T01:23Z. Due to the data gap, it is possible that the start time for this event is earlier than what is listed. This event is not seen in GOES CCOR-1 or in SOHO LASCO C2/C3 imagery due to a real-time data gap between downlink periods. The source for this event is unknown and may therefore be far-sided.","submissionTime":"2026-05-27T11:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46428/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T07:16Z","latitude":-32.0,"longitude":null,"halfAngle":17.0,"speed":532.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 148 degrees as the source may be far-sided and a source location is therefore unknown.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.8,"submissionTime":"2026-05-27T11:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46429/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-27T02:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-27T02:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N17E90","activeRegionNum":null,"note":"This event is visible to the northeast in SOHO LASCO C2/C3 imagery. This event is not seen in STEREO A COR2 and is blocked by the pylon in GOES CCOR-1 imagery. The source is an eruption centered near N17E90 starting around 2026-05-27T02:00Z which exhibits northern deflection as seen in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery. A subsequent opening of field lines is visible over the northeast limb in SDO AIA 171/193 and GOES SUVI 171/195 imagery.","submissionTime":"2026-05-27T11:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46426/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-27T09:15Z","latitude":43.0,"longitude":-90.0,"halfAngle":17.0,"speed":521.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the approximate source location. As this event is not visible in STEREO A COR2 imagery and a triangulated measurement is not possible, the measured parameters may vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.7,"submissionTime":"2026-05-27T11:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46427/-1","enlilList":[{"modelCompletionTime":"2026-05-27T12:09Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46430/-1","impactList":null,"cmeIDs":["2026-05-27T02:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-27T22:37:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-27T22:37Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S20E20","activeRegionNum":null,"note":"Faint SE partial halo CME in SOHO LASCO C2/C3 and GOES CCOR-1, and visible to the SE in STEREO A COR2 at 2026-05-28T01:38Z. The source of this event is likely very faint dimming and field line movement seen centered at approx. S20E20 as seen in SDO AIA 193, starting as early as around 2026-05-27T19:00Z.","submissionTime":"2026-05-28T13:13Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46435/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T07:46Z","latitude":-30.0,"longitude":-14.0,"halfAngle":35.0,"speed":359.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. Front is much more wide in STEREO A COR2 than SOHO and GOES, and that is used for the width while tracking the LE in all coronagraphs.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.7,"submissionTime":"2026-05-28T13:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46436/-1","enlilList":[{"modelCompletionTime":"2026-05-28T13:29Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T14:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46437/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-03T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T12:00Z"}],"cmeIDs":["2026-05-27T22:37:00-CME-001"]},{"modelCompletionTime":"2026-05-28T17:37Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T12:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46446/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-02T23:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T08:00Z"}],"cmeIDs":["2026-05-27T22:37:00-CME-001","2026-05-28T05:53:00-CME-001","2026-05-28T09:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T03:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T03:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S33E40","activeRegionNum":null,"note":"Faint CME observed to the SE in STEREO A COR2, and S in SOHO LASCO C2/C3 and GOES CCOR-1, difficult to resolve in early frames but becoming more defined as it travels into the field-of-view. This front may be related to a slow, faint dimming in SDO AIA 193 as early as 2026-05-28T01:57Z centered around S33E28 south of AR 14436 (S16E29). Though early, that source could also relate to later CME/streamer blowout 2026-05-28T09:23Z.","submissionTime":"2026-05-28T16:45Z","versionId":4,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46438/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T12:26Z","latitude":-54.0,"longitude":-10.0,"halfAngle":21.0,"speed":408.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-28T16:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46439/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T05:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T05:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"S38E18","activeRegionNum":null,"note":"Faint CME observed to the E in STEREO A COR2, and extremely faint in LASCO C2 only resolvable in running difference imagery. The source may be faint dimming in SDO AIA 193 as early as 2026-05-28T05:04Z centered around S38E18 south of AR 14436 (S16E27).","submissionTime":"2026-05-28T16:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46440/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T16:15Z","latitude":-14.0,"longitude":-30.0,"halfAngle":38.0,"speed":337.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between good visibility in STEREO A COR2 and poor visibility in SOHO LASCO C2, but still able to track a related leading edge between both for several frames.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.2,"submissionTime":"2026-05-28T16:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46441/-1","enlilList":[{"modelCompletionTime":"2026-05-28T17:02Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T22:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":false,"isEarthMinorImpact":true,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46444/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Europa Clipper","arrivalTime":"2026-06-03T09:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T23:00Z"}],"cmeIDs":["2026-05-28T05:53:00-CME-001"]},{"modelCompletionTime":"2026-05-28T17:37Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T12:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46446/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-02T23:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T08:00Z"}],"cmeIDs":["2026-05-27T22:37:00-CME-001","2026-05-28T05:53:00-CME-001","2026-05-28T09:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T06:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T06:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint event observed to the SW in STEREO A COR2 only, likely due to the faint feature. No direct source for this event is observed, and is likely far-sided from STEREO A as well as Earth.","submissionTime":"2026-05-28T18:35Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46449/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T15:44Z","latitude":-36.0,"longitude":null,"halfAngle":12.0,"speed":381.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A COR2 only plane-of-sky taken at W149, with the spacecraft currently at W59.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-05-28T18:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46450/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T07:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T07:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. Source is likely a far-sided filament eruption observed on/near the SW limb in STEREO A EUVI 304 starting around 2026-05-28T06:15Z, also observed on/near the SW limb in GOES SUVI 284/304.","submissionTime":"2026-05-28T18:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46447/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T18:08Z","latitude":-40.0,"longitude":134.0,"halfAngle":25.0,"speed":315.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-05-28T18:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46448/-1","enlilList":[{"modelCompletionTime":"2026-05-28T18:35Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46454/-1","impactList":null,"cmeIDs":["2026-05-28T07:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T09:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T09:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME visible well to the E in STEREO A COR, and as a faint partial halo in SOHO LASCO C2/C3 and GOES CCOR-1 comprised of multiple overlapping features, clearly a complex structure. This front may be related to a slow, faint dimming in SDO AIA 193 as early as 2026-05-28T01:57Z centered around S33E28 south of AR 14436 (S16E29), which is more directly attributed to earlier CME: 2026-05-28T03:38Z but this front at T9:23Z resembles more of streamer blowout and could simply be outflow following from that first signature. No distinct eruptive activity is seen relating to this start time.","submissionTime":"2026-05-28T16:52Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46442/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-28T19:11Z","latitude":-16.0,"longitude":-14.0,"halfAngle":31.0,"speed":342.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between STEREO A COR2 with good confidence in fit and leading edge, and SOHO LASCO C2/C3 with less confidence due to the leading edge being difficult to follow and appearing much less wide than COR2. The COR2 perspective is used for the width.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.7,"submissionTime":"2026-05-28T16:56Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46443/-1","enlilList":[{"modelCompletionTime":"2026-05-28T17:17Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T22:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46445/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-03T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T22:00Z"}],"cmeIDs":["2026-05-28T09:23:00-CME-001"]},{"modelCompletionTime":"2026-05-28T17:37Z","au":2.0,"estimatedShockArrivalTime":"2026-05-31T12:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46446/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-02T23:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-01T08:00Z"}],"cmeIDs":["2026-05-27T22:37:00-CME-001","2026-05-28T05:53:00-CME-001","2026-05-28T09:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T16:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T16:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint event observed to the SW in STEREO A COR2 only, likely due to the faint feature. No direct source for this event is observed, and is likely far-sided from STEREO A as well as Earth.","submissionTime":"2026-05-28T18:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46451/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-29T02:40Z","latitude":-36.0,"longitude":null,"halfAngle":15.0,"speed":326.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A COR2 only plane-of-sky taken at W149, with the spacecraft currently at W59.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-28T18:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46452/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N18E63","activeRegionNum":14455,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 imagery. This event is not seen in STEREO A COR2 imagery due to a data gap starting at 2026-05-28T19:53Z, and this event is obscured by the pylon in GOES CCOR-1 imagery. The source is an eruption near Active Region 14455 (N18E63) starting around 2026-05-28T19:30Z which exhibits northern deflection as seen in SDO AIA 131/171/195/304 and GOES SUVI 131/171/195/284/304 imagery.","submissionTime":"2026-05-28T22:11Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46455/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-29T06:39Z","latitude":54.0,"longitude":-63.0,"halfAngle":18.0,"speed":331.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measured longitude based on the source location. Due to a data gap in STEREO A COR2 imagery at the time of this event, the measured parameters may vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-05-28T22:12Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46456/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-28T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-28T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME visible to the W in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. There is no clear source for this CME, however prolonged moving/opening field lines are visible beyond the W limb in GOES SUVI 284 starting around 2026-05-28T21:00Z which may be more associated with the northern lobe of this feature.","submissionTime":"2026-05-29T12:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46458/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-29T12:14Z","latitude":-12.0,"longitude":105.0,"halfAngle":27.0,"speed":351.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on the southern lobe of this CME feature. It is possible this is a separate CME from the northern lobe, appearing with different speeds.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.8,"submissionTime":"2026-05-29T12:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46459/-1","enlilList":[{"modelCompletionTime":"2026-05-29T13:01Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46461/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-03T05:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-03T01:00Z"}],"cmeIDs":["2026-05-28T23:00:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-05-29T20:28Z","latitude":5.0,"longitude":116.0,"halfAngle":30.0,"speed":188.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"These parameters are based on the northern lobe of this CME feature.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.7,"submissionTime":"2026-05-29T12:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46460/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-29T17:03:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-29T17:03Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S24W58","activeRegionNum":null,"note":"Narrow CME first seen to the SW in SOHO LASCO C2 beginning around 2026-05-29T17:03Z. Some of the early propagation of this CME is missed in running difference imagery due to poor image quality. This CME is also seen to the SW in SOHO LASCO C3 and GOES CCOR-1. The source is most likely a small eruption centered around S24W58 best seen in SDO AIA 304 beginning around 2026-05-29T16:06Z as some ejecta with significant westward deflection. There is an additional feature in STEREO A COR2 around the same time, but this is most likely related to a far-sided, different source.","submissionTime":"2026-05-29T22:27Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46466/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T04:43Z","latitude":-33.0,"longitude":58.0,"halfAngle":10.0,"speed":319.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on visible source location and running difference imagery from SOHO LASCO C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.3,"submissionTime":"2026-05-29T22:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46467/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-29T17:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-29T17:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SW in STEREO A COR2 starting around 2026-05-29T17:09Z. This CME is only seen in STEREO A COR2. The source is most likely some ejecta seen from beyond the SW limb in STEREO A EUVI 304 around 2026-05-29T16:45Z. There is a similar feature in SOHO LASCO C2/C3 and GOES CCOR-1 (CME: 2026-05-29T17:03Z) which was determined to be from a front-sided, separate source.","submissionTime":"2026-05-29T23:41Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46468/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T03:52Z","latitude":-26.0,"longitude":149.0,"halfAngle":10.0,"speed":316.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to lack of available triangulation and beyond-limb source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-29T23:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46469/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-29T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-29T18:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N65W00","activeRegionNum":null,"note":"Faint CME first seen to the N in SOHO LASCO C3 beginning around 2026-05-29T18:00Z. It is also seen to the N in SOHO LASCO C3 and to the NNE in STEREO A COR2 but is obscured by the pylon in GOES CCOR-1. The source is most likely a failed filament eruption centered around N65W00. The filament can be seen lifting off and mostly falling back beginning around 2026-05-29T16:00Z in SDO AIA 304.","submissionTime":"2026-05-29T20:24Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46464/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T00:43Z","latitude":65.0,"longitude":-1.0,"halfAngle":24.0,"speed":521.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit between SOHO LASCO C2/C3 and STEREO A COR2 as well as visible source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.4,"submissionTime":"2026-05-29T20:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46465/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-29T20:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-29T20:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE in SOHO LASCO C2 starting at 2026-05-29T20:24Z. It is also seen to the NE in SOHO LASCO C3 but is obscured by the pylon in GOES CCOR-1 and is covered by a real-time data gap in STEREO A COR2. The source of this CME is most likely field line movement beyond the NE limb best seen in GOES SUVI 284 starting around 2026-05-29T19:43Z. The CME mostly dissipates before reaching the FOV of SOHO LASCO C3.","submissionTime":"2026-05-30T01:31Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46470/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T08:13Z","latitude":58.0,"longitude":null,"halfAngle":22.0,"speed":303.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to beyond limb source and lack of available triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-05-30T01:32Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46471/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-30T01:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-30T01:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S10E15","activeRegionNum":null,"note":"This CME is visible to the east in SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2 imagery. The source may be related to a small eruption centered near S10E15 starting around 2026-05-30T00:00Z as seen in SDO AIA 131/193/304, STEREO A EUVI 304, and GOES SUVI 131/195/284/304 imagery.","submissionTime":"2026-05-30T16:09Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46477/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T07:35Z","latitude":-1.0,"longitude":-30.0,"halfAngle":10.0,"speed":503.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.5,"submissionTime":"2026-05-30T16:11Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46478/-1","enlilList":[{"modelCompletionTime":"2026-05-30T17:04Z","au":2.0,"estimatedShockArrivalTime":"2026-06-02T19:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":3,"kp_180":3,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46483/-1","impactList":null,"cmeIDs":["2026-05-30T01:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260530-AL-002","messageIssueTime":"2026-05-30T18:55Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46486/1"}]},{"activityID":"2026-05-30T01:58:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-30T01:58Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N25E65","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is a filament eruption centered near N25E65 which begins to lift off around 2026-05-29T23:30Z as seen in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery. A subsequent opening of field lines is observed over the northeast limb around this time in SDO AIA 171/193 and GOES SUVI 171/195/284 imagery.","submissionTime":"2026-05-30T16:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46475/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T11:09Z","latitude":45.0,"longitude":-75.0,"halfAngle":31.0,"speed":361.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"StereoCAT","note":"Measurement based on the approximate source location and best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.4,"submissionTime":"2026-05-30T16:07Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46476/-1","enlilList":[{"modelCompletionTime":"2026-05-30T17:24Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46484/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-31T10:00Z"}],"cmeIDs":["2026-05-30T01:58:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-30T08:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-30T08:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible as a northwest partial halo in STEREO A COR2 imagery, and a northeast halo in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. Although no evidence of an eruption was visible on the Earth-facing disk, the Solar Orbiter STIX instrument, which was located at longitude -155 at the time of this event, observed the equivalent of a ~C9 flare peaking at 2026-05-30T08:01Z. Additionally, STEREO Ahead observed an increase in the 13-100 MeV protons starting around 2026-05-30T09:00Z, with a peak value of 0.02 pfu/MeV observed at 2026-05-30T10:15Z. It is possible the source is related to former Active Region 14436, located at N18E150 at the time of this event, based on prior activity from this region when it was on the Earth-facing disk. Additionally, the triangulated CME measurement places the CME in the vicinity of former Active Region 14436.","submissionTime":"2026-05-30T15:49Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46472/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-30T12:59Z","latitude":23.0,"longitude":-168.0,"halfAngle":51.0,"speed":776.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Bulk measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery. Due to the far-sided and therefore unknown source location, the measured parameters may vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.9,"submissionTime":"2026-05-30T15:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46473/-1","enlilList":[{"modelCompletionTime":"2026-05-30T16:09Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46479/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-01T05:11Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-31T14:00Z"}],"cmeIDs":["2026-05-30T08:38:00-CME-001"]},{"modelCompletionTime":"2026-05-30T16:44Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46481/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-01T05:02Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-31T14:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juno","arrivalTime":"2026-06-13T12:00Z"}],"cmeIDs":["2026-05-30T08:38:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-05-30T12:38Z","latitude":10.0,"longitude":-146.0,"halfAngle":57.0,"speed":857.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Shock measurement tracking the faint, outermost portion based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.3,"submissionTime":"2026-05-30T15:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46474/-1","enlilList":[{"modelCompletionTime":"2026-05-30T17:42Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46485/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-05-31T06:54Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-01T02:31Z"}],"cmeIDs":["2026-05-30T08:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260530-AL-001","messageIssueTime":"2026-05-30T17:04Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46482/1"}]},{"activityID":"2026-05-30T19:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-30T19:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the S in SOHO LASCO C2, and more faintly in LASCO C3 and GOES CCOR-1, and not in STEREO A COR2 with a data gap starting at 2026-05-30T20:38Z. The source is likely a prominence over the SW limb observed first in STEREO A EUVI 304 as early as 2026-05-30T15:15Z, and in SDO AIA 171 as field line movement starting around 2026-05-30T17:00Z.","submissionTime":"2026-05-31T01:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46488/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-31T01:43Z","latitude":-63.0,"longitude":null,"halfAngle":10.0,"speed":551.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2/C3 plane-of-sky. CME half width is slightly less than 10 degrees.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-05-31T01:53Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46489/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T07:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T07:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME appears to have a continuous outflow front to the NE with a more defined front starting around 2026-05-31T10:00Z. The source of this outflow/CME appears to be a filament eruption with moving/opening field lines starting around 2026-05-31T05:00Z in SDO/AIA 171/304 to the NE with full liftoff closer to 2026-05-31T07:00Z.","submissionTime":"2026-05-31T19:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46492/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-31T20:23Z","latitude":58.0,"longitude":-52.0,"halfAngle":32.0,"speed":345.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on triangulation and best fit using SOHO LASCO C3 and STEREO A COR2 imagery. These parameters reflect the more defined front within the outflow to the NE seen closer to 2026-05-31T10:00Z","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.5,"submissionTime":"2026-05-31T19:11Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46493/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T11:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T11:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint and narrow CME visible to the SE in SOHO LASCO C2 and STEREO A COR2 imagery for a few frames. The possible source is seen as moving/opening field lines to the SE in SDO/AIA 171 starting around 2026-05-31T09:49Z.","submissionTime":"2026-05-31T20:34Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46496/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-31T20:58Z","latitude":-28.0,"longitude":-54.0,"halfAngle":10.0,"speed":327.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2 and STEREO A COR2 frames.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.1,"submissionTime":"2026-05-31T20:36Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46497/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T12:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T12:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME visible to the SW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source of this CME is a filament eruption best seen in STEREO A EUVI 304 to the SW with associated brightening and in STEREO A EUVI 195 starting around 2026-05-31T11:15Z. Additional moving/opening field lines and views of the filament are seen in SDO/AIA and GOES SUVI wavelengths beyond the SW limb starting around 11:46Z. Based on STEREO A EUV imagery, it is possible the source area of this filament eruption was near former AR 14443 (~S17W110 to W118) at the time of the eruption.","submissionTime":"2026-05-31T18:22Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46490/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-05-31T20:35Z","latitude":-30.0,"longitude":136.0,"halfAngle":32.0,"speed":435.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on triangulation and best fit using SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-05-31T18:24Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46491/-1","enlilList":[{"modelCompletionTime":"2026-05-31T18:39Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46495/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T11:00Z"}],"cmeIDs":["2026-05-31T12:36:00-CME-001"]},{"modelCompletionTime":"2026-05-31T21:43Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46503/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T11:00Z"}],"cmeIDs":["2026-05-31T12:36:00-CME-001","2026-05-31T16:53:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T16:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T16:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S30W145","activeRegionNum":null,"note":"CME first seen to the SW by STEREO A COR2 beginning at 2026-05-31T16:53Z, as well as by SOHO LASCO C2/C3 and GOES CCOR-1 in later frames. This CME appears much wider in STEREO A COR2 than it does in SOHO LASCO C2/C3 and GOES CCOR-1. The source of this event is a filament eruption seen from along the SW limb (approx. S30W145) in STEREO A EUVI 304 with lift-off beginning at approx. 2026-05-31T15:00Z. Field line opening is also visible in GOES SUVI 284 and SDO AIA 193.","submissionTime":"2026-05-31T21:00Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46498/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T01:06Z","latitude":-34.0,"longitude":128.0,"halfAngle":36.0,"speed":458.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in STEREO A COR2, GOES CCOR-1 and SOHO LASCO C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.8,"submissionTime":"2026-05-31T21:01Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46499/-1","enlilList":[{"modelCompletionTime":"2026-05-31T21:17Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46500/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T11:00Z"}],"cmeIDs":["2026-05-31T16:53:00-CME-001"]},{"modelCompletionTime":"2026-05-31T21:43Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46503/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T11:00Z"}],"cmeIDs":["2026-05-31T12:36:00-CME-001","2026-05-31T16:53:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T17:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T17:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S17W64","activeRegionNum":14447,"note":"CME first seen to the SW by SOHO LASCO C2 beginning at 2026-05-31T17:36Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not clearly seen in STEREO A COR2. The source of this event is a small eruption of filament ejecta seen originating from Active Region 14447 (S17W64) beginning at approx. 2026-05-31T16:00Z as seen in SDO AIA and GOES SUVI 304. This CME was likely heavily deflected to the South.","submissionTime":"2026-05-31T22:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46504/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T01:04Z","latitude":-42.0,"longitude":64.0,"halfAngle":17.0,"speed":469.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.7,"submissionTime":"2026-05-31T22:58Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46505/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T18:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N15W110","activeRegionNum":null,"note":"Narrow CME first seen to the NW by SOHO LASCO C2 beginning at 2026-05-31T18:00Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is likely connected to faint post eruptive arcades seen located at approx. N15W110 in STEREO A EUVI 195 beginning at approx. 2026-05-31T18:00Z.","submissionTime":"2026-05-31T22:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46501/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T00:47Z","latitude":15.0,"longitude":110.0,"halfAngle":10.0,"speed":519.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2, STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-05-31T22:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46502/-1","enlilList":[{"modelCompletionTime":"2026-05-31T22:54Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46506/-1","impactList":null,"cmeIDs":["2026-05-31T18:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"S17W65","activeRegionNum":14447,"note":"Faint and narrow CME first seen to the SW by SOHO LASCO C2 beginning at 2026-05-31T20:12Z. This CME fades before exiting the field of view in C2, and is therefore not visible in other coronagraphs. The source of this event is a small eruption of filament material from Active Region 14447 (S17W65) beginning at approx. 2026-05-31T19:08Z as seen in GOES SUVI 304.","submissionTime":"2026-05-31T23:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46507/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T07:29Z","latitude":-33.0,"longitude":64.0,"halfAngle":20.0,"speed":318.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":3.9,"submissionTime":"2026-05-31T23:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46508/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T21:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T21:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S40E50","activeRegionNum":null,"note":"CME first seen to the SE by SOHO LASCO C2 beginning at 2026-05-31T21:12Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not visible in STEREO A COR2 due to a data gap which began at 2026-05-31T19:38Z. The source of this event is a filament eruption seen centered at approx. S40E50 beginning at approx. 2026-05-31T19:22Z with lift off at approx. 2026-05-31T20:12Z as seen in SDO AIA and GOES SUVI 304. This filament was likely deflected to the North by a large coronal hole to the South of this eruption.","submissionTime":"2026-06-01T00:25Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46509/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T04:02Z","latitude":-29.0,"longitude":-50.0,"halfAngle":10.0,"speed":452.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-06-01T00:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46510/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-05-31T23:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T23:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Large, bright, loop CME first seen to the NE in SOHO LASCO C2 beginning at 2026-05-31T23:36Z. This event is visible to the northeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, and is visible as a partial halo to the northwest in STEREO A COR2 imagery. The source of this event is wide opening field lines seen originating from beyond the NE limb beginning at approx. 2026-05-31T22:57Z in SDO AIA 171, 193 and GOES SUVI 284.","submissionTime":"2026-06-01T11:51Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46512/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T03:54Z","latitude":30.0,"longitude":-148.0,"halfAngle":42.0,"speed":889.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated bulk measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":18.1,"submissionTime":"2026-06-01T11:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46515/-1","enlilList":[{"modelCompletionTime":"2026-06-01T11:46Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46517/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-02T18:47Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-02T00:00Z"}],"cmeIDs":["2026-05-31T23:36:00-CME-001"]},{"modelCompletionTime":"2026-06-01T12:15Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46518/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-02T18:32Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juno","arrivalTime":"2026-06-12T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-02T00:00Z"}],"cmeIDs":["2026-05-31T23:36:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-01T04:08Z","latitude":34.0,"longitude":-138.0,"halfAngle":53.0,"speed":967.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated shock measurement based on the best fit between SOHO LASCO C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.4,"submissionTime":"2026-06-01T11:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46516/-1","enlilList":[{"modelCompletionTime":"2026-06-01T12:35Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46520/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-02T00:25Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-02T17:11Z"}],"cmeIDs":["2026-05-31T23:36:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-06-01T07:00Z","latitude":40.0,"longitude":null,"halfAngle":39.0,"speed":486.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"PRELIMINARY bulk plane-of-sky measurement using a longitude of E90 based on best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.2,"submissionTime":"2026-06-01T01:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46513/-1","enlilList":[]},{"isMostAccurate":false,"time21_5":"2026-06-01T06:07Z","latitude":59.0,"longitude":null,"halfAngle":52.0,"speed":540.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"PRELIMINARY shock plane-of-sky measurement using a longitude of E90 based on best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.7,"submissionTime":"2026-06-01T19:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46514/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260601-AL-001","messageIssueTime":"2026-06-01T12:33Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46519/1"}]},{"activityID":"2026-05-31T23:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-05-31T23:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southwest in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is likely far-sided and may be related to an eruption visible over the southwest limb in GOES SUVI 304 imagery starting around 2026-05-31T22:40Z.","submissionTime":"2026-06-01T14:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46521/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T08:19Z","latitude":-24.0,"longitude":144.0,"halfAngle":18.0,"speed":339.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.3,"submissionTime":"2026-06-01T14:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46522/-1","enlilList":[{"modelCompletionTime":"2026-06-01T15:00Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46523/-1","impactList":null,"cmeIDs":["2026-05-31T23:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T04:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T04:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N25E35","activeRegionNum":14455,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is likely related to an eruption from AR 4455 (centered near N25E35) as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and near the northeast limb in STEREO A EUVI 195/304 imagery starting around 2026-06-01T03:00Z. An opening of field lines is seen over the northeast limb in SDO AIA 171/193, GOES SUVI 171/195/284, and STEREO A EUVI 195 imagery. Additionally, dimming is seen northeast of the eruption site in SDO AIA 193 and GOES SUVI 193 imagery and post eruptive arcades begin to form around 2026-06-01T05:00Z.","submissionTime":"2026-06-01T16:03Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46524/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T10:59Z","latitude":36.0,"longitude":-56.0,"halfAngle":27.0,"speed":487.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.1,"submissionTime":"2026-06-01T15:22Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46525/-1","enlilList":[{"modelCompletionTime":"2026-06-01T15:37Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46526/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-02T12:00Z"}],"cmeIDs":["2026-06-01T04:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T05:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T05:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southwest in STEREO A COR2 imagery only. The source is likely far-sided as there are no source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-06-01T16:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46527/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T19:46Z","latitude":-18.0,"longitude":null,"halfAngle":20.0,"speed":212.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 149 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.8,"submissionTime":"2026-06-01T16:32Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46528/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T06:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T06:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in STEREO A COR2 imagery. It is possible this event is observed to the northwest in SOHO LASCO C2/C3, but it is unclear as there is primarily outflow following the preceding CME: 2026-06-01T04:00Z seen to the northwest. The source is unknown but likely far-sided as there are no clear source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-06-01T16:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46531/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T15:19Z","latitude":30.0,"longitude":null,"halfAngle":15.0,"speed":363.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -31 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.2,"submissionTime":"2026-06-01T16:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46532/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T07:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T07:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The source is likely far-sided as there are no source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-06-01T16:38Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46529/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T14:49Z","latitude":16.0,"longitude":null,"halfAngle":10.0,"speed":495.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 90 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.3,"submissionTime":"2026-06-01T16:39Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46530/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T09:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T09:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The source is likely far-sided as there are no source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-06-01T16:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46533/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T14:57Z","latitude":-29.0,"longitude":null,"halfAngle":10.0,"speed":608.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -90 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.7,"submissionTime":"2026-06-01T16:49Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46534/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T10:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T10:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southwest in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. This event is not seen in STEREO A COR2 imagery in real-time due to a data gap starting at 2026-06-01T10:08Z. The source is likely far-sided but may be related to minor, continuous eruptive activity near the southwest limb around this time.","submissionTime":"2026-06-01T16:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46535/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T14:28Z","latitude":-23.0,"longitude":null,"halfAngle":10.0,"speed":881.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 90 degrees due to the uncertain source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.5,"submissionTime":"2026-06-01T16:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46536/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-01T19:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T19:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SW in SOHO LASCO C2 starting at 2026-06-01T19:00Z. This CME is also seen to the SW in SOHO LASCO C3, STEREO A COR2, and GOES CCOR-1. This is the slower and wider of two overlapping CMEs. There are a series of coronal signatures likely associated with these two CMEs. This first is some ejecta seen over the W limb in SDO AIA 304 beginning around 2026-06-01T17:57Z. There are also some post-eruptive arcades best seen in STEREO A EUVI starting around 2026-06-01T18:55Z to the W of a small, SW coronal hole. Another coronal signature is a field line movement seen over the SW in STEREO A EUVI 195, GOES SUVI 284, and SDO AIA 171/193 beginning around 2026-06-01T18:30Z.","submissionTime":"2026-06-01T23:36Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46540/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T02:00Z","latitude":-39.0,"longitude":120.0,"halfAngle":33.0,"speed":519.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement of BULK feature based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 as well as on visible source location in STEREO A EUVI.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.4,"submissionTime":"2026-06-01T23:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46541/-1","enlilList":[{"modelCompletionTime":"2026-06-02T00:08Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46544/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-06T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-06T06:00Z"}],"cmeIDs":["2026-06-01T19:00:00-CME-001"]},{"modelCompletionTime":"2026-06-02T00:28Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46545/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T12:00Z"}],"cmeIDs":["2026-06-01T19:09:00-CME-001","2026-06-01T19:00:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-02T02:30Z","latitude":-34.0,"longitude":120.0,"halfAngle":43.0,"speed":481.0,"type":"S","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement of SHOCK feature based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-01T23:39Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46542/-1","enlilList":[{"modelCompletionTime":"2026-06-02T01:17Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46549/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-06T02:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-06T02:00Z"}],"cmeIDs":["2026-06-01T19:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260602-AL-001","messageIssueTime":"2026-06-02T00:40Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46546/1"}]},{"activityID":"2026-06-01T19:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T19:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the WSW in STEREO A COR2 starting at 2026-06-01T19:09Z. This CME is also seen to the WSW in SOHO LASCO C2/C3 and GOES CCOR-1. This is the narrower and faster of two overlapping CMEs. There are a series of coronal signatures likely associated with these two CMEs. This first is some ejecta seen over the W limb in SDO AIA 304 beginning around 2026-06-01T17:57Z. There are also some post-eruptive arcades best seen in STEREO A EUVI starting around 2026-06-01T18:55Z to the W of a small, SW coronal hole. Another coronal signature is a field line movement seen over the SW in STEREO A EUVI 195, GOES SUVI 284, and SDO AIA 171/193 beginning around 2026-06-01T18:30Z.","submissionTime":"2026-06-01T23:23Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46538/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-01T22:18Z","latitude":-26.0,"longitude":127.0,"halfAngle":17.0,"speed":1031.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 as well as on visible source location in STEREO A EUVI.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":17.0,"submissionTime":"2026-06-01T23:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46539/-1","enlilList":[{"modelCompletionTime":"2026-06-01T23:39Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46543/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T12:00Z"}],"cmeIDs":["2026-06-01T19:09:00-CME-001"]},{"modelCompletionTime":"2026-06-02T00:28Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46545/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-05T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-05T12:00Z"}],"cmeIDs":["2026-06-01T19:09:00-CME-001","2026-06-01T19:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260602-AL-001","messageIssueTime":"2026-06-02T00:40Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46546/1"}]},{"activityID":"2026-06-01T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-01T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME first seen to the W in SOHO LASCO C2 starting at 2026-06-01T23:00Z. It is also seen to the W in SOHO LASCO C3 and GOES CCOR-1 but is covered by a real-time data gap in STEREO A COR2. The source of this CME is most likely a filament eruption best seen near/over the W limb in SDO AIA 304 and GOES SUVI 304 starting around 2026-06-01T21:54Z.","submissionTime":"2026-06-02T01:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46547/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T03:06Z","latitude":-14.0,"longitude":null,"halfAngle":10.0,"speed":836.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement due to lack of available triangulation. Additionally, the exact source location cannot be visually confirmed due to its proximity to the W limb.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-02T01:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46548/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-02T03:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T03:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N15E09","activeRegionNum":14455,"note":"CME first seen to the North by SOHO LASCO C2 beginning at 2026-06-02T03:12Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This event is blocked by the pylon in GOES CCOR-1. The source of this CME is a C1.8 flare from Active Region 14455 (N15E09) seen peaking at 2026-06-02T02:50Z in SDO AIA 131. A small jet of filament ejecta is visible in SDO AIA and GOES SUVI 304 in association with this flare, and is heavily deflected to the North, likely due to this region sitting just North of a coronal hole.","submissionTime":"2026-06-02T12:01Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46553/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T09:01Z","latitude":60.0,"longitude":-15.0,"halfAngle":13.0,"speed":612.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.3,"submissionTime":"2026-06-02T12:02Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46554/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-06-02T02:40:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-06-02T07:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T07:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N15E01","activeRegionNum":14455,"note":"CME first seen to the North by SOHO LASCO C2 beginning at 2026-06-02T07:24Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This event is blocked by the pylon in GOES CCOR-1. The source of this event is a C3.1 flare from Active Region 14455 (N15E01) which peaked at 2026-06-02T06:59Z as seen in SDO AIA 131. A small jet of filament ejecta is visible in SDO AIA and GOES SUVI 304 in association with this flare, and is heavily deflected to the North, likely due to this region sitting just North of a coronal hole.","submissionTime":"2026-06-02T12:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46556/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T11:35Z","latitude":55.0,"longitude":-3.0,"halfAngle":16.0,"speed":801.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.9,"submissionTime":"2026-06-02T12:16Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46557/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-06-02T06:46:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-06-02T12:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T12:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S10E75","activeRegionNum":null,"note":"Bright loop CME first seen to the East by SOHO LASCO C2 beginning at 2026-06-02T12:12Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. This CME has a faint, diffuse, preceding feature, but not a shock, seen ahead of the main bulk, likely due to the nature of the source eruption. The source of this event is a very gradual filament eruption seen centered at approx. S10E75 as seen in GOES SUVI, STEREO A EUVI and SDO AIA 304. This filament becomes unstable beginning at approx. 2026-06-02T10:30Z and gradually rises off the limb, but does not begin to disconnect from the disk until approx. 2026-06-02T12:00Z. This earlier rise likely accounts for the diffuse feature seen in coronagraphs before the main bulk of the filament ejecta. Field line opening, dimming and post eruptive arcades are also visible in association with this eruption in SDO AIA 171, 193, 211 and GOES SUVI 284.","submissionTime":"2026-06-02T15:30Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46558/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T20:03Z","latitude":-5.0,"longitude":-61.0,"halfAngle":34.0,"speed":462.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2, STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.9,"submissionTime":"2026-06-02T15:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46559/-1","enlilList":[{"modelCompletionTime":"2026-06-02T15:47Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46561/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-03T15:57Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-07T18:00Z"}],"cmeIDs":["2026-06-02T12:12:00-CME-001"]},{"modelCompletionTime":"2026-06-02T16:59Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46562/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-06-03T16:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Lucy","arrivalTime":"2026-06-18T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-07T18:00Z"}],"cmeIDs":["2026-06-02T12:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-02T17:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T17:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Bright CME first seen to the Northeast by SOHO LASCO C2 beginning at 2026-06-02T17:00Z. The source of this event is a filament eruption seen along or just beyond the NE limb at approx. N18 as seen in SDO AIA and GOES SUVI 304 beginning at approx. 2026-06-02T16:43Z. Wide opening field lines are also visible in association with this eruption in SDO AIA 171, 193 and GOES SUVI 284.","submissionTime":"2026-06-02T19:02Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46564/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T21:10Z","latitude":26.0,"longitude":-121.0,"halfAngle":36.0,"speed":866.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement of the BULK feature based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 as well as on the visible source over the NE limb.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.8,"submissionTime":"2026-06-02T19:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46565/-1","enlilList":[{"modelCompletionTime":"2026-06-02T19:19Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46566/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-03T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-04T16:00Z"}],"cmeIDs":["2026-06-02T17:00:00-CME-001"]},{"modelCompletionTime":"2026-06-02T19:51Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46567/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juno","arrivalTime":"2026-06-15T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-03T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-04T16:00Z"}],"cmeIDs":["2026-06-02T17:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260602-AL-002","messageIssueTime":"2026-06-02T20:23Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46568/1"}]},{"activityID":"2026-06-02T17:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T17:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N13W05","activeRegionNum":14455,"note":"CME first seen to the East in STEREO A COR2 beginning at 2026-06-02T17:23Z. The CME is not clearly seen in SOHO LASCO C2/C3 or GOES CCOR-1 as it is likely obscured by the occulting disk. The source of this event is an M3.3 class flare from Active Region 14455 (N13W05) which peaked at 2026-06-02T16:50Z as seen in SDO AIA 131. Opening field lines and dimming are also observed in association with this flare in SDO AIA 171, 193 and 211 with the dimming and opening facing Southward, likely indicating some Southern deflection.","submissionTime":"2026-06-02T21:23Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46569/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-02T21:38Z","latitude":9.0,"longitude":5.0,"halfAngle":14.0,"speed":672.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Very speculative measurement based on limited frames from STEREO A COR2 and visible on-disk source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-02T22:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46570/-1","enlilList":[{"modelCompletionTime":"2026-06-02T21:39Z","au":2.0,"estimatedShockArrivalTime":"2026-06-05T08:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":5,"kp_180":5,"isEarthGB":false,"isEarthMinorImpact":true,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46571/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Europa Clipper","arrivalTime":"2026-06-07T02:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"OSIRIS-APEX","arrivalTime":"2026-06-06T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-07T18:00Z"}],"cmeIDs":["2026-06-02T17:23:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-06-02T16:31:00-FLR-001"}],"sentNotifications":[{"messageID":"20260602-AL-003","messageIssueTime":"2026-06-02T22:32Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46572/1"}]},{"activityID":"2026-06-02T18:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T18:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow, faint CME first seen to the NE in STEREO A COR2 starting around 2026-06-02T18:09Z. This feature is only seen in STEREO A COR2 because it is mostly likely obscured by the occulting disk in SOHO LASCO C2/C3 and GOES CCOR-1. The source is most likely some additional outflow following CME: 2026-06-02T17:23Z as there is no independent source signature apart from continuous field line fluctuation following CME: 2026-06-02T17:23Z. This CME fades before reached the end of the FOV of STEREO A COR2.","submissionTime":"2026-06-02T22:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46573/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T02:10Z","latitude":23.0,"longitude":5.0,"halfAngle":10.0,"speed":427.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Speculative measurement based on limited imagery from STEREO A COR2 and approximate source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-02T22:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46574/-1","enlilList":[{"modelCompletionTime":"2026-06-02T23:07Z","au":2.0,"estimatedShockArrivalTime":"2026-06-06T06:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46575/-1","impactList":null,"cmeIDs":["2026-06-02T18:09:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-02T19:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T19:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE in SOHO LASCO C2 starting around 2026-06-02T19:48Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1 but is covered by a real-time data gap in STEREO A COR2. There are two source candidates for this CME. The first and most likely is some faint field line movement from beyond the NE limb in SDO AIA 171 beginning around 2026-06-02T17:30Z following the filament eruption associated with CME: 2026-06-02T17:00Z. The second and less likely candidate is some additional minor ejecta from AR 14455 following CME: 2026-06-02T17:23Z, but measurement indicates that this second source candidate is not a good fit.","submissionTime":"2026-06-03T01:05Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46576/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T06:38Z","latitude":13.0,"longitude":null,"halfAngle":27.0,"speed":336.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement due to lack of available triangulation and uncertain source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-03T00:22Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46577/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-02T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME first visible to the NE part way into the FOV of SOHO LASCO C2 staring around 2026-06-02T23:00Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1 but is covered by a real-time data gap in STEREO A COR2. No source candidate has been found on the Earth-facing disk, so the source is most likely far-sided. This front could be additional outflow following CME: 2026-06-02T17:00Z.","submissionTime":"2026-06-03T01:05Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46578/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T10:37Z","latitude":18.0,"longitude":null,"halfAngle":11.0,"speed":279.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement due to lack of available triangulation and lack of definitive source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-03T00:56Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46579/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-02T23:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-02T23:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the E in SOHO LASCO C2 starting at 2026-06-02T23:24Z. It is also seen to the E in SOHO LASCO C3 and GOES CCOR-1 but is covered by a real-time data gap in STEREO A COR2. No source candidate has been found on the Earth-facing disk, so the source is most likely far-sided.","submissionTime":"2026-06-03T01:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46580/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T09:07Z","latitude":-3.0,"longitude":null,"halfAngle":17.0,"speed":368.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement due to lack of available triangulation and lack of source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-03T01:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46581/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-03T01:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T01:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N13W10","activeRegionNum":14455,"note":"CME first seen to the E in STEREO A COR2 starting at 2026-06-03T01:53Z. It is also faintly seen as a halo to the NW in SOHO LASCO C2/C3 but is partially obscured by the pylon. It is also seen as a halo to the NW in GOES CCOR-1. This CME is associated with an M9.3 class flare from AR 14455 (N13W10) that peaked at 2026-06-03T01:36Z. The flare can best be seen in SDO AIA 131.","submissionTime":"2026-06-03T03:58Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46585/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T04:15Z","latitude":14.0,"longitude":19.0,"halfAngle":32.0,"speed":1220.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated measurement based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":21.4,"submissionTime":"2026-06-03T14:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46603/-1","enlilList":[{"modelCompletionTime":"2026-06-03T13:58Z","au":2.0,"estimatedShockArrivalTime":"2026-06-05T01:13Z","estimatedDuration":23.8,"rmin_re":5.7,"kp_18":null,"kp_90":5,"kp_135":6,"kp_180":7,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46610/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T17:45Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T19:13Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T11:58Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Europa Clipper","arrivalTime":"2026-06-06T21:00Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001"]},{"modelCompletionTime":"2026-06-03T18:06Z","au":2.0,"estimatedShockArrivalTime":"2026-06-04T23:44Z","estimatedDuration":24.2,"rmin_re":5.4,"kp_18":null,"kp_90":6,"kp_135":7,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46624/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T11:49Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T14:55Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T13:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T12:00Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001","2026-06-03T07:23:00-CME-001","2026-06-03T11:48:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-03T04:42Z","latitude":15.0,"longitude":17.0,"halfAngle":46.0,"speed":1098.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SHOCK measurement based on best fit of the wider shock feature in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-03T14:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46612/-1","enlilList":[{"modelCompletionTime":"2026-06-03T15:14Z","au":2.0,"estimatedShockArrivalTime":"2026-06-04T23:30Z","estimatedDuration":19.8,"rmin_re":5.1,"kp_18":null,"kp_90":6,"kp_135":8,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46613/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T13:01Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T09:17Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T15:14Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T03:26Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-06-03T04:03Z","latitude":14.0,"longitude":19.0,"halfAngle":32.0,"speed":1390.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"PRELIMINARY measurement based on best fit of early frames among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.2,"submissionTime":"2026-06-03T04:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46586/-1","enlilList":[{"modelCompletionTime":"2026-06-03T04:23Z","au":2.0,"estimatedShockArrivalTime":"2026-06-04T22:06Z","estimatedDuration":24.2,"rmin_re":5.6,"kp_18":null,"kp_90":5,"kp_135":7,"kp_180":7,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46588/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T18:49Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T12:20Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T15:16Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T08:36Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-06-03T01:22:00-FLR-001"},{"activityID":"2026-06-05T04:23:00-IPS-001"},{"activityID":"2026-06-05T15:00:00-GST-001"},{"activityID":"2026-06-06T16:15:00-RBE-001"}],"sentNotifications":[{"messageID":"20260603-AL-003","messageIssueTime":"2026-06-03T04:05Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46587/1"},{"messageID":"20260603-AL-004","messageIssueTime":"2026-06-03T04:35Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46589/1"},{"messageID":"20260603-AL-010","messageIssueTime":"2026-06-03T14:51Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46611/1"},{"messageID":"20260603-AL-013","messageIssueTime":"2026-06-03T18:26Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46625/1"},{"messageID":"20260603-AL-014","messageIssueTime":"2026-06-03T23:21Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46628/1"}]},{"activityID":"2026-06-03T04:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T04:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northwest in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is an eruption visible on/near the western limb in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery.","submissionTime":"2026-06-03T16:25Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46616/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T08:33Z","latitude":22.0,"longitude":116.0,"halfAngle":10.0,"speed":851.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit among SOHO LASCO C2/C3, STEREO A COR2, and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.3,"submissionTime":"2026-06-03T16:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46617/-1","enlilList":[{"modelCompletionTime":"2026-06-03T17:12Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46622/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-07T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-07T12:00Z"}],"cmeIDs":["2026-06-03T04:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260603-AL-012","messageIssueTime":"2026-06-03T17:27Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46623/1"}]},{"activityID":"2026-06-03T07:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T07:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N14W13","activeRegionNum":14455,"note":"This CME is visible as a partial halo to the north/northwest in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, and to the northeast in STEREO A COR2 imagery. The source is an M7.7 flare from Active Region 14455 (N14W13) starting around 2026-06-03T07:00Z as seen in SDO AIA 131/171/194/304, GOES SUVI 131/171/195/284/304 imagery, and STEREO A EUVI 195/304 imagery. A large ejecta is associated with this event which is deflected to the northwest. Additionally, an EUV wave is observed moving northwest of the eruption site, as seen in SDO AIA 171/193 and GOES SUVI 171/195/284 imagery.","submissionTime":"2026-06-03T12:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46596/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T09:27Z","latitude":52.0,"longitude":19.0,"halfAngle":31.0,"speed":1474.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis of the messy, two-lobed bulk front of this CME, based on the fit with three coronagraphs (STEREO A COR2, SOHO LASCO and GOES CCOR-1). There is clear northward deflection from the source location of the M-class flare (N14W13) but the associated erupting filament seems to originate a bit to the west from the flare location and is then seen deflecting northwardly, so the coronal signatures generally confirm this analysis. The half-width of the CME is based on later imagery in STEREO A COR2, as in coronagraphs there is/are later, wider, lobe(s) of this CME that seem to be integral part of it.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":19.0,"submissionTime":"2026-06-03T13:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46597/-1","enlilList":[{"modelCompletionTime":"2026-06-03T12:57Z","au":2.0,"estimatedShockArrivalTime":"2026-06-06T15:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":3,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46599/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-08T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-08T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-06T16:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-06T12:00Z"}],"cmeIDs":["2026-06-03T07:23:00-CME-001"]},{"modelCompletionTime":"2026-06-03T18:06Z","au":2.0,"estimatedShockArrivalTime":"2026-06-04T23:44Z","estimatedDuration":24.2,"rmin_re":5.4,"kp_18":null,"kp_90":6,"kp_135":7,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46624/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T11:49Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T14:55Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T13:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T12:00Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001","2026-06-03T07:23:00-CME-001","2026-06-03T11:48:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-03T10:05Z","latitude":20.0,"longitude":9.0,"halfAngle":44.0,"speed":1129.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis of the fainter and wider partial halo front best seen in GOES CCOR-1 but also seen in SOHO LASCO C2/C3 and not seen in STEREO A COR2 coronagraph.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":22.0,"submissionTime":"2026-06-03T12:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46598/-1","enlilList":[{"modelCompletionTime":"2026-06-03T13:24Z","au":2.0,"estimatedShockArrivalTime":"2026-06-05T04:30Z","estimatedDuration":22.4,"rmin_re":5.2,"kp_18":null,"kp_90":6,"kp_135":8,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46602/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T19:05Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T21:42Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T21:14Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T17:33Z"}],"cmeIDs":["2026-06-03T07:23:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-06-03T06:49:00-FLR-001"}],"sentNotifications":[{"messageID":"20260603-AL-009","messageIssueTime":"2026-06-03T13:24Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46600/1"},{"messageID":"20260603-AL-013","messageIssueTime":"2026-06-03T18:26Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46625/1"},{"messageID":"20260603-AL-014","messageIssueTime":"2026-06-03T23:21Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46628/1"}]},{"activityID":"2026-06-03T11:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T11:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N14W16","activeRegionNum":14455,"note":"This CME is visible as a partial halo to the north/northwest in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, and to the northeast in STEREO A COR2 imagery. The source is an X1.0 flare and subsequent eruption from Active Region 14455 (N14W16) starting around 2026-06-03T11:20Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery. The associated ejecta displays a southeast deflection as seen in SDO AIA 304 imagery. A faint EUV wave is observed moving northwest of the eruption site, however, in SDO AIA 193 imagery.","submissionTime":"2026-06-03T13:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46601/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T13:49Z","latitude":32.0,"longitude":19.0,"halfAngle":37.0,"speed":1433.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"A remeasurement of the two-lobed bulk front with more imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":16.0,"submissionTime":"2026-06-03T15:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46609/-1","enlilList":[{"modelCompletionTime":"2026-06-03T16:17Z","au":2.0,"estimatedShockArrivalTime":"2026-06-05T07:45Z","estimatedDuration":27.8,"rmin_re":6.2,"kp_18":null,"kp_90":4,"kp_135":6,"kp_180":6,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46615/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T20:31Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T23:13Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T18:48Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Europa Clipper","arrivalTime":"2026-06-06T21:00Z"}],"cmeIDs":["2026-06-03T11:48:00-CME-001"]},{"modelCompletionTime":"2026-06-03T18:06Z","au":2.0,"estimatedShockArrivalTime":"2026-06-04T23:44Z","estimatedDuration":24.2,"rmin_re":5.4,"kp_18":null,"kp_90":6,"kp_135":7,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46624/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T11:49Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T14:55Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T13:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T12:00Z"}],"cmeIDs":["2026-06-03T01:53:00-CME-001","2026-06-03T07:23:00-CME-001","2026-06-03T11:48:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-03T13:57Z","latitude":16.0,"longitude":12.0,"halfAngle":43.0,"speed":1405.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis of the faint partial halo shock front of this CME based on the fit with GOES CCOR-1 coronagraph, in which this front is seen clearer. LASCO imagery is also used. The front is not seen/clear in STEREO A COR2 coronagraph.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.0,"submissionTime":"2026-06-03T15:32Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46614/-1","enlilList":[{"modelCompletionTime":"2026-06-03T16:43Z","au":2.0,"estimatedShockArrivalTime":"2026-06-05T01:33Z","estimatedDuration":22.3,"rmin_re":5.0,"kp_18":null,"kp_90":7,"kp_135":8,"kp_180":9,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46619/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-06T12:17Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-06T15:54Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-05T16:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-05T15:06Z"}],"cmeIDs":["2026-06-03T11:48:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-06-03T15:11Z","latitude":30.0,"longitude":20.0,"halfAngle":41.0,"speed":905.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Very preliminary, approximate analysis of the two-lobed bulk of the CME with very early imagery based on the fit in coronagraphs.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.0,"submissionTime":"2026-06-03T13:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46605/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-06-03T11:19:00-FLR-001"},{"activityID":"2026-06-05T04:23:00-IPS-001"},{"activityID":"2026-06-05T15:00:00-GST-001"},{"activityID":"2026-06-06T16:15:00-RBE-001"}],"sentNotifications":[{"messageID":"20260603-AL-011","messageIssueTime":"2026-06-03T16:31Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46618/1"},{"messageID":"20260603-AL-013","messageIssueTime":"2026-06-03T18:26Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46625/1"},{"messageID":"20260603-AL-014","messageIssueTime":"2026-06-03T23:21Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46628/1"}]},{"activityID":"2026-06-03T14:02:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T14:02Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SW in SOHO LASCO C2 starting at 2026-06-03T14:02Z. It is also seen to the SW in SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2. The source of this CME is most likely some very faint moving field lines from well beyond the SW limb best seen in GOES SUVI 284 starting around 2026-06-03T13:30Z.","submissionTime":"2026-06-03T16:55Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46620/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-03T20:04Z","latitude":-58.0,"longitude":139.0,"halfAngle":33.0,"speed":532.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.9,"submissionTime":"2026-06-03T16:56Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46621/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-03T20:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T20:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the SW by SOHO LASCO C2 beginning at 2026-06-03T20:36Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not seen in STEREO A COR2 due to a data gap which began at 2026-06-03T19:38Z. The source of this event is faint field line movement/opening seen along the SW limb in SDO AIA 171 beginning at approx. 2026-06-3T19:00Z.","submissionTime":"2026-06-04T00:25Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46629/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T03:14Z","latitude":-54.0,"longitude":null,"halfAngle":10.0,"speed":522.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using longitude of W90 due to source near the limb and lack of STEREO A COR2 imagery to triangulate","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.6,"submissionTime":"2026-06-04T00:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46630/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-03T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-03T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S15W73","activeRegionNum":14446,"note":"Faint CME first seen to the West by SOHO LASCO C2 beginning at 2026-06-03T23:00Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not seen in STEREO A COR2 due to a data gap which began at 2026-06-03T19:38Z. The source of this event is a small eruption seen beginning at approx. 2026-06-3T22:30Z from the vicinity of Active Region 14446 (S15W73) as seen in SDO AIA 171/193/304.","submissionTime":"2026-06-04T01:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46632/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T03:21Z","latitude":-14.0,"longitude":73.0,"halfAngle":10.0,"speed":809.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-06-04T01:08Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46633/-1","enlilList":[{"modelCompletionTime":"2026-06-04T01:23Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46634/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"STEREO A","arrivalTime":"2026-06-07T08:00Z"}],"cmeIDs":["2026-06-03T23:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260604-AL-001","messageIssueTime":"2026-06-04T01:35Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46635/1"}]},{"activityID":"2026-06-04T04:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T04:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NW in SOHO LASCO C2 starting at 2026-06-04T04:24Z. This front fades quickly. It is no longer visible by the time it reaches the edge of the FOV of SOHO LASCO C2, so it is only seen in SOHO LASCO C2 and very faintly for a couple frames in STEREO A COR2. The source of this CME is most likely field line movement seen beyond the NW limb in GOES SUVI 284 starting around 2026-06-04T03:30Z.","submissionTime":"2026-06-04T13:50Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46636/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T18:33Z","latitude":18.0,"longitude":null,"halfAngle":34.0,"speed":258.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen because this CME is only visible in a single coronagraph and because the source is far-sided.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-04T11:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46637/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-04T06:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T06:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow CME first seen to the SSW in STEREO A COR2 beginning around 2026-06-04T06:23Z. It is also seen to the SSW in SOHO LASCO C3 and GOES CCOR-1. The CME is mostly missed by SOHO LASCO C2 because the CME start time is covered by a short data gap. The source of this CME is likely an eruption with southward-directed ejecta seen near the W limb in GOES SUVI 304 beginning around 2026-06-04T04:40Z.","submissionTime":"2026-06-04T13:29Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46638/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T12:42Z","latitude":-59.0,"longitude":126.0,"halfAngle":16.0,"speed":548.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit among SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-04T13:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46639/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-04T10:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T10:00Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the SW in GOES CCOR-1 starting around 2026-06-04T10:00Z. This front is also seen to the SW in STEREO A COR2 but was missed by SOHO LASCO C2/C3 in real time due to a downlink gap. The source is most likely some ejecta seen leaving the western limb in GOES SUVI 304 beginning around 2026-06-04T08:52Z. This is one in an hours long series of similar eruptions.","submissionTime":"2026-06-04T15:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46640/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T16:59Z","latitude":-21.0,"longitude":104.0,"halfAngle":16.0,"speed":444.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate measurement based on best fit between STEREO A COR2 and GOES CCOR-1. There is a higher degree of uncertainty in this measurement due to the faintness of the front.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-04T15:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46641/-1","enlilList":[{"modelCompletionTime":"2026-06-04T15:33Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46642/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-09T04:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-09T00:00Z"}],"cmeIDs":["2026-06-04T10:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-04T17:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T17:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Fast, narrow CME first seen to the SW in STEREO A COR2 and to the S in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. A potential source is visible as moving/opening field lines along the southern limb in GOES SUVI 284 after the start time of the CME from STEREO A's perspective. Additionally, there is an eruption visible along/just beyond the SW limb in STEREO A EUVI 195 starting around 2026-06-04T16:35Z.","submissionTime":"2026-06-05T00:18Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46644/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-04T20:44Z","latitude":-41.0,"longitude":178.0,"halfAngle":18.0,"speed":1009.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.4,"submissionTime":"2026-06-05T00:19Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46645/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-04T21:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T21:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"S07W23","activeRegionNum":14458,"note":"Faint CME observed to the W in SOHO LASCO C2, fading into background after several frames. The source is likely AR 14458, with field line movement and dimming starting around 2026-06-04T20:22Z in SDO AIA 193 centered around S07W23. Additional dimming centered ~S25E30 triggered shortly after the first eruption.","submissionTime":"2026-06-05T17:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46661/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T02:50Z","latitude":0.0,"longitude":23.0,"halfAngle":10.0,"speed":487.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 only 3D analysis using the observed source longitude centered around W23, as such the parameters could vary slightly. CME fades after several frames in C2's field-of-view.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.3,"submissionTime":"2026-06-05T17:18Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46662/-1","enlilList":[{"modelCompletionTime":"2026-06-05T17:31Z","au":2.0,"estimatedShockArrivalTime":"2026-06-08T00:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":3,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46672/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-08T22:00Z"}],"cmeIDs":["2026-06-04T21:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-04T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-04T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S03W17","activeRegionNum":14458,"note":"Faint CME observed to the W in SOHO LASCO C2/3 and GOES CCOR-1, fading into background late in LASCO C2 and early in LASCO C3/GOES CCOR-1. The source is likely AR 14458, with field line movement and dimming starting around 2026-06-04T22:40Z in SDO AIA 193 centered around S03W17.","submissionTime":"2026-06-05T17:27Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46663/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T02:10Z","latitude":-1.0,"longitude":17.0,"halfAngle":10.0,"speed":730.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 only 3D analysis using the observed source longitude centered around W17, as such the parameters could vary slightly. CME fades quickly in SOHO LASCO C2/C3 and GOES CCOR-1. CME half width may be slightly below 10 degrees.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.8,"submissionTime":"2026-06-05T17:29Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46664/-1","enlilList":[{"modelCompletionTime":"2026-06-05T17:56Z","au":2.0,"estimatedShockArrivalTime":"2026-06-07T17:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":4,"kp_180":4,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46674/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-09T21:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-10T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-08T12:00Z"}],"cmeIDs":["2026-06-04T23:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260605-AL-006","messageIssueTime":"2026-06-05T18:23Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46675/1"}]},{"activityID":"2026-06-05T06:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T06:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NW only in STEREO A COR2, perhaps due to the occulting disks of LASCO C2/C3 and GOES CCOR-1 obscuring visibility. No distinct source for this front is observed outside of some weak filament movement, without clearly erupting, near STEREO A's southwest limb in STEREO A EUVI 195 spanning approximately 2026-06-05T02:55Z - 2026-06-05T07:25Z. This front is quickly overlapped by significant CME: 2026-06-05T09:09Z.","submissionTime":"2026-06-05T16:22Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46658/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T15:12Z","latitude":13.0,"longitude":null,"halfAngle":11.0,"speed":374.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A only plane of sky, taken at W149.9 with STEREO A's current location at W59.9.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.6,"submissionTime":"2026-06-05T16:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46659/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-05T09:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T09:09Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Far-sided halo CME to the SE in SOHO LASCO C2/C3 and GOES CCOR-1, and wide front observed to the W in STEREO A COR2. The source is far-sided from Earth and likely STEREO A (W59.9) as well, should be well observed by Solar Orbiter (E156.3) when its data is available. The source is more directly observed in STEREO A EUVI 195/304 on or beyond STEREO's limb (~W149.9) as a filament eruption and field line movement starting around 2026-06-05T08:15Z. It is also observed in GOES SUVI 195/284, and less prominent in SDO AIA 171/193/211 with its closer field-of-view, as wide opening field lines and EUV wave over the SE limb starting around 2026-06-05T09:00Z. Latest Solar Orbiter EUI 304 imagery at 2026-06-0500:01Z shows numerous filaments resting around the W180-E150 and N15-S30 range surrounding former Active Regions 14439 and 14442, for potential candidates. Likely associated with an estimated M3 [M2,M6] flare observed by Solar Orbiter STIX peaking at 2026-06-05T08:58Z.","submissionTime":"2026-06-05T14:51Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46648/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T12:42Z","latitude":-23.0,"longitude":-161.0,"halfAngle":46.0,"speed":999.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulated bulk between SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2 (which only has 1 image every hour due to ongoing campaign). Good confidence in fit near E160, E155-W165 maximum range based on fit shape.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.4,"submissionTime":"2026-06-05T13:22Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46649/-1","enlilList":[{"modelCompletionTime":"2026-06-05T12:52Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46652/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-07T07:44Z"}],"cmeIDs":["2026-06-05T09:09:00-CME-001"]},{"modelCompletionTime":"2026-06-05T14:04Z","au":5.5,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46655/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-07T07:16Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juno","arrivalTime":"2026-06-18T09:00Z"}],"cmeIDs":["2026-06-05T09:09:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-05T11:44Z","latitude":-12.0,"longitude":-177.0,"halfAngle":50.0,"speed":1356.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulated shock front between SOHO LASCO C3, GOES CCOR-1, and one available frame of STEREO A COR2 where the shock is visible. The shock front is complex and has two distinct edges, this analysis is of the \"brighter\" SE-directed inner shock (ahead of and distinct from the bright LE), excluding a faint more SW-directed shock edge as fitting both in one does not yield a good fit.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":25.3,"submissionTime":"2026-06-05T13:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46650/-1","enlilList":[{"modelCompletionTime":"2026-06-05T13:38Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46654/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-06T21:52Z"}],"cmeIDs":["2026-06-05T09:09:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-06-05T11:39Z","latitude":-27.0,"longitude":172.0,"halfAngle":54.0,"speed":1361.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulated shock front between SOHO LASCO C3 and one available frame of STEREO A COR2 where the shock is visible. The shock front is complex and has two distinct edges, this analysis is of the \"more faint\" SW-directed outer shock, excluding a bright more SE-directed shock edge as fitting both in one does not yield a good fit.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.9,"submissionTime":"2026-06-05T13:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46651/-1","enlilList":[{"modelCompletionTime":"2026-06-05T15:03Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46657/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-06-08T15:43Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-08T11:09Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-07T16:00Z"}],"cmeIDs":["2026-06-05T09:09:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260605-AL-002","messageIssueTime":"2026-06-05T13:31Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46653/1"},{"messageID":"20260605-AL-003","messageIssueTime":"2026-06-05T14:18Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46656/1"}]},{"activityID":"2026-06-05T14:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T14:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME front observed to the NW only in STEREO A COR2. No clear source for this CME is observed in SDO AIA, GOES SUVI, or STEREO A EUVI, although it could be outflow following significant CME: 2026-06-05T09:09Z from a far-sided filament eruption that triangulated around E160 earlier in the day.","submissionTime":"2026-06-05T19:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46678/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T03:47Z","latitude":26.0,"longitude":null,"halfAngle":15.0,"speed":251.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A plane-of-sky taken at W149.9, with STEREO A currently located at W59.9.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.7,"submissionTime":"2026-06-05T19:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46679/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-05T15:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T15:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME front observed to the NE only in STEREO A COR2. No clear source for this CME is observed in SDO AIA, GOES SUVI, or STEREO A EUVI.","submissionTime":"2026-06-05T19:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46676/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T02:31Z","latitude":20.0,"longitude":null,"halfAngle":21.0,"speed":285.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A plane-of-sky taken at E30.1, with STEREO A currently located at W59.9.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-06-05T19:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46677/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-05T15:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T15:38Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12W45","activeRegionNum":14455,"note":"Faint CME to the NW in SOHO LASCO C2 and GOES CCOR-1, and NE in STEREO A COR2, pylon obscured in LASCO C3. The source is a C4.1 flare from AR 14455 which peaked at 2026-06-05T15:03Z observed in SDO AIA 131, also observed as field line movement and small dimming in SDO AIA 171/193.","submissionTime":"2026-06-05T17:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46667/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T20:35Z","latitude":40.0,"longitude":45.0,"halfAngle":12.0,"speed":658.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2. The CME appears deflected northward and tracks askew with the swpc_cat tool, as such the parameters could vary slightly, with high confidence in the out-of-ecliptic direction.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.2,"submissionTime":"2026-06-05T17:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46668/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-05T16:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T16:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME first seen to the ne by STEREO A COR2 beginning at 2026-06-05T16:09Z. This CME is either directed into the pylon or occulting disk in SOHO LASCO C2/C3 and GOES CCOR-1, and is therefore not clearly visible. There is no clear source that fits the CME seen for this event.","submissionTime":"2026-06-05T20:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46680/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-05T22:40Z","latitude":11.0,"longitude":null,"halfAngle":10.0,"speed":492.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A plane-of-sky measurement using a longitude of E30.1 (as STEREO A is currently located at W59.9) due to lack of clear source an coronagraph imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.5,"submissionTime":"2026-06-05T20:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46681/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-05T23:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-05T23:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SW by SOHO LASCO C2 beginning at 2026-06-05T23:24Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not seen in STEREO A COR2 due to a data gap which began at 2026-06-05T19:09Z. The source of this event is field line opening seen along the SW limb in SDO AIA 171 beginning at 2026-06-05T22:00Z.","submissionTime":"2026-06-06T01:11Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46682/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T03:25Z","latitude":-53.0,"longitude":null,"halfAngle":13.0,"speed":869.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement using a longitude of W90 due to source location near the limb and lack of SOHO/GOES coronagraph imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.6,"submissionTime":"2026-06-06T01:13Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46683/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-06T02:17:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T02:17Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southeast in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The source is likely far-sided as there are no source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-06-06T14:23Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46686/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T11:19Z","latitude":-34.0,"longitude":null,"halfAngle":10.0,"speed":385.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -90 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.9,"submissionTime":"2026-06-06T14:24Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46687/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-06T04:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T04:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the north in SOHO LASCO C2/C3 and to the northeast in STEREO A COR2 imagery. The source is unknown, but may be related to faint field line movement visible over the northeast limb in SDO AIA 171 starting around 2026-06-06T03:00Z.","submissionTime":"2026-06-06T14:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46684/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T14:42Z","latitude":40.0,"longitude":7.0,"halfAngle":10.0,"speed":304.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-06-06T14:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46685/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-06T13:46:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T13:46Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the southwest in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is a far-sided eruption visible on the southwest limb in STEREO A EUVI 304 imagery starting around 2026-06-06T13:15Z.","submissionTime":"2026-06-06T19:02Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46703/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T18:33Z","latitude":-58.0,"longitude":117.0,"halfAngle":18.0,"speed":694.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.1,"submissionTime":"2026-06-06T19:03Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46704/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-06T14:11:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T14:11Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S22E24","activeRegionNum":14461,"note":"This CME is visible as a southeast partial halo in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, and is seen to the east in STEREO A COR2 imagery. The source is an eruption and M1.8 flare from Active Region 14461 (S22E24) starting around 2025-06-06T13:45Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery. An opening of field lines is visible over the southeast limb in STEREO A EUVI 195 imagery, and a large EUV wave and dimming is observed surrounding the eruption site in SDO AIA 193 and GOES SUVI 195/284 imagery. Additionally, post eruptive arcades are visible in SDO AIA 171/193 and GOES SUVI 171/105 imagery starting around 2026-06-06T15:00Z.","submissionTime":"2026-06-06T15:52Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46690/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-06T16:33Z","latitude":-7.0,"longitude":-27.0,"halfAngle":49.0,"speed":1396.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated bulk measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.7,"submissionTime":"2026-06-06T16:11Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46693/-1","enlilList":[{"modelCompletionTime":"2026-06-06T16:18Z","au":2.0,"estimatedShockArrivalTime":"2026-06-08T05:57Z","estimatedDuration":20.8,"rmin_re":4.9,"kp_18":null,"kp_90":6,"kp_135":7,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46695/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-07T03:06Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-09T12:45Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-08T20:06Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-10T05:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-09T02:00Z"}],"cmeIDs":["2026-06-06T14:11:00-CME-001"]},{"modelCompletionTime":"2026-06-06T16:45Z","au":5.5,"estimatedShockArrivalTime":"2026-06-08T06:01Z","estimatedDuration":19.5,"rmin_re":4.9,"kp_18":null,"kp_90":6,"kp_135":7,"kp_180":8,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46699/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-07T02:54Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-09T12:35Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Lucy","arrivalTime":"2026-06-16T22:14Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-08T20:06Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-06-10T05:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-09T02:00Z"}],"cmeIDs":["2026-06-06T14:11:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-06T15:49Z","latitude":-12.0,"longitude":-12.0,"halfAngle":45.0,"speed":1692.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Shock measurement following the outermost faint feature observed in GOES CCOR-1 imagery. A default half-width of 45 degrees was used as the shock feature is not observed in STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":18.7,"submissionTime":"2026-06-06T16:11Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46694/-1","enlilList":[{"modelCompletionTime":"2026-06-06T17:03Z","au":2.0,"estimatedShockArrivalTime":"2026-06-08T00:17Z","estimatedDuration":21.1,"rmin_re":4.8,"kp_18":null,"kp_90":7,"kp_135":8,"kp_180":9,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46701/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-07T03:06Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-09T04:55Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-08T12:43Z"}],"cmeIDs":["2026-06-06T14:11:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-06-06T16:05Z","latitude":-3.0,"longitude":-24.0,"halfAngle":44.0,"speed":1623.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary bulk measurement based on the source longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.1,"submissionTime":"2026-06-06T15:43Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46691/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-06-06T13:40:00-FLR-001"},{"activityID":"2026-06-06T15:14:00-SEP-001"},{"activityID":"2026-06-09T09:53:00-IPS-001"}],"sentNotifications":[{"messageID":"20260606-AL-001","messageIssueTime":"2026-06-06T15:50Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46692/1"},{"messageID":"20260606-AL-004","messageIssueTime":"2026-06-06T16:56Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46700/1"},{"messageID":"20260606-AL-005","messageIssueTime":"2026-06-06T20:44Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/46705/1"}]},{"activityID":"2026-06-06T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T18:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S09E63","activeRegionNum":14464,"note":"Faint CME observed to the E in SOHO LASCO C2/C3 and GOES CCOR-1, not seen in STEREO A COR2. The source may be field line movement in SDO AIA starting around 2026-06-06T16:34Z over the E limb around S10, or AR 14464 with slow brightening near S09E63, the movement is not too clear where it traces on-disk.","submissionTime":"2026-06-06T23:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46706/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T02:06Z","latitude":-7.0,"longitude":-63.0,"halfAngle":10.0,"speed":448.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2/C3 3D analysis using E63 as the likely observed source longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.2,"submissionTime":"2026-06-06T23:22Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46707/-1","enlilList":[{"modelCompletionTime":"2026-06-06T23:36Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46708/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-07T23:03Z"}],"cmeIDs":["2026-06-06T18:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-06T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-06T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the S in SOHO LASCO C2/C3 and GOES CCOR-1, not in STEREO A COR2 during a data gap spanning 2026-06-06T19:09Z to 2026-06-06T23:09Z. The source is a filament eruption far-sided from Earth, observed in STEREO A EUVI 304 at 2026-06-06T19:15Z as filament ejecta on/near its west limb, putting it at approximately W150 with STEREO A currently located at W60. Also observed as filament ejecta over the S limb in GOES SUVI 304.","submissionTime":"2026-06-07T01:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46709/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T00:25Z","latitude":-33.0,"longitude":150.0,"halfAngle":45.0,"speed":780.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Speculative analysis of the shock front associated with this CME, using only GOES CCOR-1 due to its good view of the shock front and lack of STEREO A COR2 to triangulate with. W150 is used as the approximate source of the observed filament, and the width could greatly vary as well due to the partial halo single spacecraft analysis.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.8,"submissionTime":"2026-06-07T01:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46710/-1","enlilList":[{"modelCompletionTime":"2026-06-07T01:24Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46712/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Mars","arrivalTime":"2026-06-10T16:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Psyche","arrivalTime":"2026-06-10T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-06-09T13:00Z"}],"cmeIDs":["2026-06-06T20:12:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-07T00:24Z","latitude":-47.0,"longitude":150.0,"halfAngle":12.0,"speed":809.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2/C3 only fit due to the lack of STEREO A COR2 visibility to triangulate. W150 is used as the approximate source of the observed filament, and the lat/lon could vary. Higher confidence in the southward deflection out of the ecliptic plane, regardless.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.2,"submissionTime":"2026-06-07T01:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46711/-1","enlilList":[{"modelCompletionTime":"2026-06-07T01:44Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46713/-1","impactList":null,"cmeIDs":["2026-06-06T20:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T02:37:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T02:37Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Bright, relatively narrow CME seen to the southeast in SOHO LASCO C2, C3, and STEREO A COR2A, along with GOES CCOR-1 likely associated with a far-sided eruption.","submissionTime":"2026-06-07T12:58Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46714/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T06:06Z","latitude":-54.0,"longitude":145.0,"halfAngle":21.0,"speed":906.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge measurement using all available spacecraft for triangulation of the longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":16.0,"submissionTime":"2026-06-07T12:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46715/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T08:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T08:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME seen to the southeast seen in STEREO Ahead with seemingly no corresponding match in GOES and SOHO coronagraphs, likely associated with a far-sided eruption relative to the Earth-Sun line.","submissionTime":"2026-06-07T13:25Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46716/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T11:23Z","latitude":-33.0,"longitude":null,"halfAngle":11.0,"speed":811.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO Ahead plane of sky with just a few frames.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-06-07T13:29Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46717/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T08:10:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T08:10Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Minor CME seen to the northeast in a few frames of STEREO Ahead coronagraphs before it quickly disappears with unknown originating source.","submissionTime":"2026-06-07T14:24Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46720/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T19:55Z","latitude":18.0,"longitude":-30.0,"halfAngle":22.0,"speed":256.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO Ahead plane of sky measurement, as the source is unknown and the CME is not well observed in SOHO or GOES coronagraphs.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-06-07T14:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46721/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T09:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T09:45Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME characterized by a wide, dark front seen to the west in STEREO Ahead, SOHO, and GOES coronagraphs with unknown source, perhaps in association with eruptive activity taking place over the STEREO Ahead western limb.","submissionTime":"2026-06-07T14:11Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46718/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T18:14Z","latitude":-10.0,"longitude":110.0,"halfAngle":35.0,"speed":342.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Leading edge using three spacecraft (SOHO, STEREO Ahead, GOES) for triangulation of the longitude. High uncertainty in longitude with error in longitude up to +/- 30 degrees.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.0,"submissionTime":"2026-06-07T14:13Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46719/-1","enlilList":[{"modelCompletionTime":"2026-06-07T14:27Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46722/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-06-12T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-06-10T16:00Z"}],"cmeIDs":["2026-06-07T09:45:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T19:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T19:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S40E20","activeRegionNum":null,"note":"Faint CME first seen to the South by SOHO LASCO C2 beginning at 2026-06-07T19:00Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This event is not clearly seen in STEREO A COR2 due to a reduced campaign cadence. The source of this event is faint dimming seen centered at approx. S40E20 beginning at approx. 2026-06-07T18:25Z as seen in SDO AIA 193 and 211.","submissionTime":"2026-06-07T21:24Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46724/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-07T23:51Z","latitude":-40.0,"longitude":4.0,"halfAngle":12.0,"speed":658.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.7,"submissionTime":"2026-06-07T21:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46725/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-07T22:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-07T22:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S40W20","activeRegionNum":null,"note":"Faint CME seen to the South by SOHO LASCO C2 beginning at 2026-06-07T22:36Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not clearly seen in STEREO A COR2 due to a data gap which began at 2026-06-07T20:08Z. The source of this event is minor dimming and field line movement seen centered at approx. S40W20 beginning at approx. 2026-06-07T21:30Z as seen in SDO AIA 171, 193 and 211.","submissionTime":"2026-06-08T00:22Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46726/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-08T02:21Z","latitude":-40.0,"longitude":13.0,"halfAngle":10.0,"speed":864.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASC C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.7,"submissionTime":"2026-06-08T00:23Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46727/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-08T02:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-08T02:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the SW in STEREO A COR2, and to the SSE in SOHO LASCO C2 and faintly in SOHO LASCO C3 and GOES CCOR-1. The source is likely on or near STEREO A's SW limb, currently around W150 with STEREO A at W60.2, observed in STEREO A EUVI 304 as filament ejecta starting around 2026-06-08T01:45Z. Although a bright spot on-disk is briefly observed with this filament ejecta on the limb, around W150, triangulation puts the front around E178, so the source is either further around the limb or deflected.","submissionTime":"2026-06-08T13:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46730/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-08T05:49Z","latitude":-24.0,"longitude":-178.0,"halfAngle":10.0,"speed":889.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":23.2,"submissionTime":"2026-06-08T13:05Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46731/-1","enlilList":[{"modelCompletionTime":"2026-06-08T13:19Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46733/-1","impactList":null,"cmeIDs":["2026-06-08T02:09:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-08T06:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-08T06:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S08E42","activeRegionNum":14464,"note":"Faint CME observed to the E in SOHO LASCO C2 and STEREO A COR2, even more faintly in SOHO LASCO C3/GOES CCOR-1 due to it fading into the background after early frames. The source is likely an area of field line movement and dimming centered around S08E42, near AR 14464 (S12E35) starting around 2026-06-08T04:25Z in SDO AIA 171/193.","submissionTime":"2026-06-08T12:48Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46728/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-08T19:35Z","latitude":5.0,"longitude":-51.0,"halfAngle":27.0,"speed":270.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and STEREO A COR2, noting the poor image quality in STEREO A COR2 due on an ongoing campaign along with the faint leading edge providing some uncertainty.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.2,"submissionTime":"2026-06-08T12:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46729/-1","enlilList":[{"modelCompletionTime":"2026-06-08T13:04Z","au":2.0,"estimatedShockArrivalTime":"2026-06-11T20:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46732/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-06-10T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-13T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-12T08:00Z"}],"cmeIDs":["2026-06-08T06:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-08T08:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-08T08:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the SW in STEREO A COR2 and SSW in SOHO LASCO C2/C3 and GOES CCOR-1. The source is very likely far-sided from Earth due to triangulation, likely visible in STEREO A EUVI 195/304 at 2026-06-08T07:25Z as field line dimming and movement on or near its SW limb, which is located around W150 with STEREO A at W60.3.","submissionTime":"2026-06-08T13:34Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46734/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-08T10:59Z","latitude":-39.0,"longitude":162.0,"halfAngle":22.0,"speed":1068.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Bulk triangulation between SOHO LASCO C2/C3 and two available frames of STEREO A COR2. Front appears slightly more wide in COR2A than C2/C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":17.3,"submissionTime":"2026-06-08T13:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46735/-1","enlilList":[{"modelCompletionTime":"2026-06-08T13:50Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46737/-1","impactList":null,"cmeIDs":["2026-06-08T08:00:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-06-08T11:13Z","latitude":-35.0,"longitude":162.0,"halfAngle":42.0,"speed":951.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Shock front triangulation between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. With the poor image quality in STEREO A COR2 due to a campaign, W162 is used as the bulk longitude source and varying the parameters from there. Tracking the width via CCOR-1's view of the SE/S/SW expanding faint shock front, but the width could vary due to the uncertainty.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":20.0,"submissionTime":"2026-06-08T13:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46736/-1","enlilList":[{"modelCompletionTime":"2026-06-08T14:09Z","au":2.0,"estimatedShockArrivalTime":null,"estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":null,"kp_135":null,"kp_180":null,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46738/-1","impactList":null,"cmeIDs":["2026-06-08T08:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-09T07:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-09T07:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NW by SOHO LASCO C2 beginning at 2026-06-09T07:12Z, but fades before exiting the field-of-view and is therefore not seen in other coronagraphs. The source of this event is field line opening seen from beyond the NNW limb in SDO AIA 171 and GOES SUVI 284 beginning at approx. 2026-06-09T06:30Z.","submissionTime":"2026-06-09T12:36Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46744/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-09T15:03Z","latitude":57.0,"longitude":null,"halfAngle":17.0,"speed":460.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of W90 due to source along the limb and lack of imagery for triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.1,"submissionTime":"2026-06-09T12:36Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46745/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-09T09:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-09T09:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the West by STEREO A COR2 beginning at 2026-06-09T09:08Z. This CME is not seen by SOHO LASCO C2/C3 or GOES CCOR-1 likely because it is completely far sided from their POV. The source of this event is likely an eruption from beyond the STEREO A West limb, as field line opening and post eruptive arcades can be seen in this vicinity in STEREO A EUVI 195 beginning at approx. 2026-06-09T09:00Z. This CME is only visible for a few STEREO A COR2 frames due to its reduced campaign cadence.","submissionTime":"2026-06-09T13:34Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46746/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-09T15:26Z","latitude":3.0,"longitude":null,"halfAngle":11.0,"speed":492.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A plane-of-sky using a longitude of W150.4 (STEREO is currently located at W60.4) due to source along STEREO A's West limb and lack of imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.4,"submissionTime":"2026-06-09T13:34Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46747/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-09T16:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-09T16:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N17E15","activeRegionNum":14463,"note":"The source of this event is a filament eruption seen originating from the vicinity of Active Region 14463 (N17E15) beginning at approximately 2026-06-09T15:46Z. Filament material can be seen in SDO AIA, STEREO A EUVI and GOES SUVI 304. A wide region of dimming, field line opening and a slight EUV wave is also visible in SDO AIA 171, 193, 211, STEREO A EUVI 195 and GOES SUVI 284 appearing to exhibit heavy Eastern deflection, possibly due to the eruptions proximity to a coronal hole.","submissionTime":"2026-06-09T18:50Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46749/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-10T01:55Z","latitude":12.0,"longitude":-44.0,"halfAngle":33.0,"speed":380.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.2,"submissionTime":"2026-06-09T18:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46750/-1","enlilList":[{"modelCompletionTime":"2026-06-09T19:09Z","au":2.0,"estimatedShockArrivalTime":"2026-06-13T02:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46751/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-11T05:36Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-14T22:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-14T00:00Z"}],"cmeIDs":["2026-06-09T16:36:00-CME-001"]},{"modelCompletionTime":"2026-06-09T19:59Z","au":5.5,"estimatedShockArrivalTime":"2026-06-13T02:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46752/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-06-11T04:55Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-06-14T22:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-14T00:00Z"}],"cmeIDs":["2026-06-09T16:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-09T21:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-09T21:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Wide CME first seen to the WNW in SOHO LASCO C2 starting at 2026-06-09T21:12Z. It is also seen to the W in SOHO LASCO C3 and GOES CCOR-1. The source of this CME is most likely wide moving field lines seen from beyond the W limb in GOES SUVI 284 beginning around 2026-06-09T20:36Z. Movement beyond the W limb is also seen in STEREO A EUVI 195 beginning as early as 2026-06-09T19:35Z. In coronagraphs, this CME partially overlaps with CME: 2026-06-09T21:36Z.","submissionTime":"2026-06-10T01:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46757/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-10T11:09Z","latitude":16.0,"longitude":null,"halfAngle":44.0,"speed":257.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was chosen because the source is beyond the W limb but without visual confirmation of location of eruption.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.7,"submissionTime":"2026-06-10T01:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46758/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-06-09T21:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-06-09T21:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S21W19","activeRegionNum":14461,"note":"CME first seen to the SW in SOHO LASCO C2 starting at 2026-06-09T21:36Z. It is also seen to the SW in SOHO LASCO C3 and GOES CCOR-1 but is covered by a real-time data gap in STEREO A COR2. The is most likely an eruption from AR 14461 (S21W19) that appears to be heavily deflected southward likely due its proximity to a coronal hole that was centered around N00W05. The eruption is best seen in SDO AIA 193 as moving field lines and a large area of dimming directed toward the south. The eruption is also accompanied by C2.3 class flare from AR 14461 that peaked at 2026-06-09T19:18Z best seen in SDO AIA 131. In coronagraphs, this CME partially overlaps with far-sided CME: 2026-06-09T21:12Z.","submissionTime":"2026-06-10T00:39Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/46754/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-06-10T06:58Z","latitude":-29.0,"longitude":19.0,"halfAngle":21.0,"speed":348.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Speculative measurement based on the visible source location and best fit in SOHO LASCO C2/C3 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-06-10T00:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/46755/-1","enlilList":[{"modelCompletionTime":"2026-06-10T00:57Z","au":2.0,"estimatedShockArrivalTime":"2026-06-13T01:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":true,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/46756/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-06-13T20:00Z"}],"cmeIDs":["2026-06-09T21:36:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-06-09T19:02:00-FLR-001"}],"sentNotifications":null}]