[{"activityID":"2026-08-26T07:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-26T07:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N03W02","activeRegionNum":14513,"note":"This CME is visible to the east in STEREO A COR2 imagery in real-time only. The source may be related to the M2.2 flare from Active Region 14513 (N03W02) starting around 2026-08-26T06:30Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 304 imagery.","submissionTime":"2026-08-26T12:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48300/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-26T19:51Z","latitude":3.0,"longitude":2.0,"halfAngle":18.0,"speed":278.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the source location. This event becomes too diffuse to measure after three frames.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.6,"submissionTime":"2026-08-26T12:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48301/-1","enlilList":[{"modelCompletionTime":"2026-08-26T12:46Z","au":2.0,"estimatedShockArrivalTime":"2026-08-30T07:00Z","estimatedDuration":null,"rmin_re":null,"kp_18":null,"kp_90":2,"kp_135":3,"kp_180":3,"isEarthGB":false,"isEarthMinorImpact":true,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/48303/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Juice","arrivalTime":"2026-08-30T21:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Solar Orbiter","arrivalTime":"2026-08-27T12:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-08-30T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-08-31T12:00Z"}],"cmeIDs":["2026-08-26T07:38:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-08-26T06:29:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-08-26T22:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-26T22:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N08E45","activeRegionNum":14518,"note":"Faint CME first seen to the East by SOHO LASCO C2 beginning at 2026-08-26T22:24Z. This CME fades before exiting the field-of-view in C2 and is therefore not clearly seen in other coronagraphs. The source of this event is a C3.4 flare from Active Region 14518 (N07E45) and a small eruption peaking at 2026-08-26T21:40Z as seen in SDO AIA 131, 193 and 304.","submissionTime":"2026-08-27T01:10Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48306/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-27T04:52Z","latitude":0.0,"longitude":-45.0,"halfAngle":13.0,"speed":537.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit in SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.8,"submissionTime":"2026-08-27T00:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48307/-1","enlilList":[{"modelCompletionTime":"2026-08-27T00:59Z","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/48308/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-08-30T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-08-31T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-08-28T03:00Z"}],"cmeIDs":["2026-08-26T22:24:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-08-26T21:29:00-FLR-001"}],"sentNotifications":[{"messageID":"20260827-AL-001","messageIssueTime":"2026-08-27T01:17Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48310/1"}]},{"activityID":"2026-08-27T01:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T01:09Z","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 far-sided and may be related to a brightening observed over the western limb in STEREO A EUVI 304 imagery starting around 2026-08-27T00:30Z.","submissionTime":"2026-08-27T11:41Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48311/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-27T05:13Z","latitude":-24.0,"longitude":null,"halfAngle":10.0,"speed":827.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 158 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.3,"submissionTime":"2026-08-27T11:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48312/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-27T04:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T04:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northwest in STEREO A COR2 imagery only. The source is far-sided and likely related to a wide opening of field lines visible over the northwestern limb in STEREO A EUVI 195/304 imagery starting around 2026-08-27T02:45Z.","submissionTime":"2026-08-27T11:44Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48313/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-27T11:42Z","latitude":23.0,"longitude":null,"halfAngle":24.0,"speed":461.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 158 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.9,"submissionTime":"2026-08-27T11:45Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48314/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-27T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T18:00Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed as a full halo to the NE in GOES CCOR-1, and to the W/NW in STEREO A COR2 with a partial halo shock. Not seen in SOHO LASCO C2/C3 real-time due to a DSN gap. The source is far-sided, and may be former AR 14507 expected to be around N05 and W170-W180 at this time. The eruption is only observed in STEREO A EUVI 195/304 after a data gap ends at 2026-08-27T18:45Z as brightening and post-eruptive arcades over its west limb (limb around W158.3, with STEREO A at W68.3), and in SDO AIA 193 and GOES SUVI 284 as an EUV wave visible over the north and west limbs starting around 2026-08-27T17:00Z.","submissionTime":"2026-08-28T00:08Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48317/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-27T20:31Z","latitude":13.0,"longitude":-174.0,"halfAngle":47.0,"speed":1095.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between GOES CCOR-1 and STEREO A COR2. The CME structure is complex, and in COR2 two fronts to the NE are observed, with a brighter core following the more faint, outer leading edge that matches with the brightest outer feature in CCOR-1. As such, this fit encompasses that outermost leading edge in COR2A with CCOR-1's leading edge.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":20.0,"submissionTime":"2026-08-28T00:07Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48318/-1","enlilList":[{"modelCompletionTime":"2026-08-27T22:56Z","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/48319/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-28T07:33Z"}],"cmeIDs":["2026-08-27T18:00:00-CME-001"]},{"modelCompletionTime":"2026-08-27T23:26Z","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/48321/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-28T07:29Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Lucy","arrivalTime":"2026-09-12T21:00Z"}],"cmeIDs":["2026-08-27T18:00:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-08-27T19:12Z","latitude":1.0,"longitude":-174.0,"halfAngle":44.0,"speed":1406.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"GOES CCOR-1 only shock analysis, somewhat speculative due to the asymmetric shape and poor visibility. The shock may be visible in STEREO A COR2, but is either too faint or obscured by the bright bulk, and does not track well with the more clear shock front observed in GOES CCOR-1. As such, single spacecraft is used with the same longitude as the LE to approximate, and parameters could vary as a result.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":21.8,"submissionTime":"2026-08-28T00:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48323/-1","enlilList":[{"modelCompletionTime":"2026-08-28T00:20Z","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/48324/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-28T04:27Z"}],"cmeIDs":["2026-08-27T18:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260827-AL-003","messageIssueTime":"2026-08-27T23:10Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48320/1"},{"messageID":"20260827-AL-004","messageIssueTime":"2026-08-27T23:39Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48322/1"}]},{"activityID":"2026-08-27T18:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T18:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Front observed to the W in GOES CCOR-1 and SOHO LASCO C3, not yet in LASCO C2 due to a DSN gap. No distinct source for this front is observed, and it may be associated with large far-sided CME: 2026-08-27T18:00Z but did not fit well within triangulation for that main CME, and may be a separate feature here.","submissionTime":"2026-08-28T01:16Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48325/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-27T23:31Z","latitude":-13.0,"longitude":null,"halfAngle":36.0,"speed":592.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 plane-of-sky with no clear source observations.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.3,"submissionTime":"2026-08-28T01:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48326/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-27T20:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T20:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Front observed to the N in GOES CCOR-1 and SOHO LASCO C3, not yet in LASCO C2 due to a DSN gap. No distinct source for this front is observed, and it may be associated with outflow from large far-sided CME: 2026-08-27T18:00Z.","submissionTime":"2026-08-28T02:07Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48329/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T03:20Z","latitude":87.0,"longitude":null,"halfAngle":40.0,"speed":453.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 plane-of-sky with no clear source observations.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.5,"submissionTime":"2026-08-28T02:03Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48330/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-27T21:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T21:15Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Front observed to the SW in GOES CCOR-1 and SOHO LASCO C3, not yet in LASCO C2 due to a DSN gap. No distinct source for this front is observed, and it may be associated with outflow from large far-sided CME: 2026-08-27T18:00Z.","submissionTime":"2026-08-28T02:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48333/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T04:53Z","latitude":-12.0,"longitude":null,"halfAngle":17.0,"speed":422.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 plane-of-sky with no clear source observations.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.1,"submissionTime":"2026-08-28T02:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48334/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-27T21:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-27T21:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Front observed to the SE in GOES CCOR-1 and SOHO LASCO C3, not yet in LASCO C2 due to a DSN gap. No distinct source for this front is observed, and it may be associated with outflow from large far-sided CME: 2026-08-27T18:00Z.","submissionTime":"2026-08-28T02:07Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48331/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T07:42Z","latitude":-20.0,"longitude":null,"halfAngle":25.0,"speed":317.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 plane-of-sky with no clear source observations.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.5,"submissionTime":"2026-08-28T02:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48332/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T00:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T00:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the SE in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The source is not seen in EUV imagery, and the CME is likely farsided.","submissionTime":"2026-08-28T16:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48357/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T09:45Z","latitude":-18.0,"longitude":null,"halfAngle":20.0,"speed":358.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using SOHO LASCO C2/C3 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-08-28T16:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48358/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T00:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T00:12Z","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 west in SOHO LASCO C2/C3 and GOES CCOR-1. The CME is also faintly visible in STEREO A COR2. The potential source is an eruption seen around S10W120 as brightening and moving field lines starting around 2026-08-27T21:35Z in STEREO A EUV 195 imagery.","submissionTime":"2026-08-28T15:30Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48352/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T11:39Z","latitude":4.0,"longitude":129.0,"halfAngle":19.0,"speed":317.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between GOES COOR-1 and STEREO A COR2 in SWPC_CAT as well as the potential source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.2,"submissionTime":"2026-08-28T15:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48353/-1","enlilList":[{"modelCompletionTime":"2026-08-28T15:45Z","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/48354/-1","impactList":null,"cmeIDs":["2026-08-28T00:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T00:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T00:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the N in SOHO LASCO C2 and NW in STEREO A COR2. The source is not too clear, but may be field line/prominence movement starting around 2026-08-27T23:40Z over the NE limb in SDO AIA 193/304.","submissionTime":"2026-08-28T01:57Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48327/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T04:28Z","latitude":40.0,"longitude":-171.0,"halfAngle":10.0,"speed":838.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-08-28T01:58Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48328/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T05:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T05:48Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME seen to the east in GOES CCOR-1 and SOHO LASCO C2/C3 imagery. The CME was not clearly visible in STEREO A COR2 imagery. No candidate source can be found, and the CME's source is likely farsided.","submissionTime":"2026-08-28T13:46Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48346/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T16:21Z","latitude":2.0,"longitude":null,"halfAngle":30.0,"speed":302.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using GOES CCOR-1 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.7,"submissionTime":"2026-08-28T13:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48347/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T08:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T08:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the NE in SOHO LASCO C2/C3 and GOES CCOR-1 and to the NW in STEREO A COR2. The source is likely farsided, and no source candidates are seen in available EUV imagery.","submissionTime":"2026-08-28T11:37Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48335/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T13:58Z","latitude":35.0,"longitude":-166.0,"halfAngle":27.0,"speed":609.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between GOES CCOR-1 and STEREO A COR2 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.9,"submissionTime":"2026-08-28T11:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48336/-1","enlilList":[{"modelCompletionTime":"2026-08-28T12:04Z","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/48341/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-29T08:32Z"}],"cmeIDs":["2026-08-28T08:48:00-CME-001"]},{"modelCompletionTime":"2026-08-28T12:37Z","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/48342/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-08-29T08:00Z"}],"cmeIDs":["2026-08-28T08:48:00-CME-001"]},{"modelCompletionTime":"2026-08-28T14:05Z","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/48349/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-29T07:00Z"}],"cmeIDs":["2026-08-28T08:48:00-CME-001","2026-08-28T10:45:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260828-AL-001","messageIssueTime":"2026-08-28T12:42Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48343/1"}]},{"activityID":"2026-08-28T10:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T10:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the SW in STEREO A COR2, GOES CCOR-1, and SOHO LASCO C2/C3 imagery. The source is unclear, but may be a small eruption with dimming starting around 2026-08-28T08:45Z in STEREO A EUV 195 around S25W85.","submissionTime":"2026-08-28T16:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48355/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T20:43Z","latitude":-40.0,"longitude":99.0,"halfAngle":19.0,"speed":285.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery in SWPC_CAT as well as the potential source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-08-28T16:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48356/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T10:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T10:45Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the NE in SOHO LASCO C2/C3 and GOES CCOR-1 and to the NW in STEREO A COR2. The CME overlaps in the field of view with CME: 2026-08-28T08:48Z. The source of the CME is likely farsided.","submissionTime":"2026-08-28T12:07Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48337/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T16:18Z","latitude":38.0,"longitude":-151.0,"halfAngle":30.0,"speed":495.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.8,"submissionTime":"2026-08-28T13:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48345/-1","enlilList":[{"modelCompletionTime":"2026-08-28T13:45Z","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/48348/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-29T12:00Z"}],"cmeIDs":["2026-08-28T10:45:00-CME-001"]},{"modelCompletionTime":"2026-08-28T14:05Z","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/48349/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-29T07:00Z"}],"cmeIDs":["2026-08-28T08:48:00-CME-001","2026-08-28T10:45:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-08-28T14:59Z","latitude":41.0,"longitude":-154.0,"halfAngle":31.0,"speed":688.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.8,"submissionTime":"2026-08-28T12:25Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48338/-1","enlilList":[{"modelCompletionTime":"2026-08-28T12:57Z","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/48344/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-08-29T08:00Z"}],"cmeIDs":["2026-08-28T10:45:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T12:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T12:15Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the east in GOES CCOR-1 and SOHO LASCO C2/C3 imagery. The CME is not seen in STEREO A COR2 imagery. The potential source is beyond the east limb, as moving field lines are best seen in GOES SUVI 284 starting around 2026-08-28T10:50Z.","submissionTime":"2026-08-28T15:17Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48350/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T20:06Z","latitude":-11.0,"longitude":null,"halfAngle":16.0,"speed":402.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using GOES CCOR-1 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-08-28T15:18Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48351/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T15:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T15:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S13E40","activeRegionNum":14520,"note":"Faint event seen to the SE in SOHO LASCO C2/C3 and GOES CCOR-1, not in STEREO A COR2 due to a data gap. The source is not too clear, but may be some small dimming and moving field lines from new AR 14520 ~S13E40 in SDO AIA 193 starting around 2026-08-28T14:40Z.","submissionTime":"2026-08-28T23:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48361/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T02:53Z","latitude":-5.0,"longitude":-40.0,"halfAngle":12.0,"speed":274.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Single spacecraft 3D measurement with SOHO LASCO C2 only using the potential source ~S13E40.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.9,"submissionTime":"2026-08-28T23:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48362/-1","enlilList":[{"modelCompletionTime":"2026-08-28T23:56Z","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/48368/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-01T15:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-02T06:00Z"}],"cmeIDs":["2026-08-28T15:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T15:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T15:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NNE in SOHO LASCO C2/C3 and GOES CCOR-1, not in STEREO A COR2 due to a data gap. The source is likely farsided, and no source candidates are seen in available EUV imagery.","submissionTime":"2026-08-28T23:44Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48363/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T23:15Z","latitude":68.0,"longitude":null,"halfAngle":10.0,"speed":470.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 only plane-of-sky due to the unknown source and no STEREO A COR2 for triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.1,"submissionTime":"2026-08-29T00:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48364/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T16:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T16:45Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SW in GOES CCOR-1 and SOHO LASCO C2/C3, not in STEREO A COR2 due to a data gap. No clear source candidates are seen in available EUV imagery; only possibly a weak brightening in STEREO A EUVI 195 around 2026-08-28T12:05Z in the south central disk as viewed from STEREO A.","submissionTime":"2026-08-28T23:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48365/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T03:24Z","latitude":-30.0,"longitude":null,"halfAngle":10.0,"speed":281.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"GOES CCOR-1 only plane-of-sky due to the unknown source and no STEREO A COR2 for triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.6,"submissionTime":"2026-08-28T23:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48366/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T18:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T18:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NE in GOES CCOR-1 and SOHO LASCO C2/C3, not in STEREO A COR2 due to a data gap. The source is likely far-sided, only potentially viewed as field line movement over the E limb in SDO AIA 171 starting around 2026-08-28T17:28Z.","submissionTime":"2026-08-29T00:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48367/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-28T23:44Z","latitude":14.0,"longitude":null,"halfAngle":38.0,"speed":586.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C3 only plane-of-sky due to the unknown longitude of the far-sided source and no STEREO A COR2 to triangulate with.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.7,"submissionTime":"2026-08-29T00:20Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48369/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-28T23:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-28T23:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SE in SOHO LASCO C2/C3 and GOES CCOR-1, likely not observed in STEREO A COR2 due to a data gap but may become visible with later available imagery. The source is likely farsided, and no source candidates are seen in available EUV imagery.","submissionTime":"2026-08-29T01:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48370/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T08:41Z","latitude":-6.0,"longitude":null,"halfAngle":10.0,"speed":378.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 only plane-of-sky due to the unknown likely far-sided source and unable to triangulate with available STEREO A COR2 imagery so far.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.7,"submissionTime":"2026-08-29T01:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48371/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T00:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T00:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NE only in SOHO LASCO C2. The source may be filament ejecta and field line movement in SDO AIA 171/304 over the NE limb starting around 2026-08-28T22:36Z.","submissionTime":"2026-08-29T02:06Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48372/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T10:47Z","latitude":46.0,"longitude":null,"halfAngle":10.0,"speed":339.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 plane-of-sky as the only observing coronagraph and unknown far-sided source longitude.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":3.6,"submissionTime":"2026-08-29T02:07Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48373/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T03:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T03:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME seen to the East by SOHO LASCO C2 beginning at 2026-08-29T04:48Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not visible in STEREO A COR2 as it is likely blocked by the occulting disk. The source of this event is slow rising field line loops seen originating from beyond the East limb in GOES SUVI 284 beginning at approx. 2026-08-29T03:00Z.","submissionTime":"2026-08-29T12:29Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48374/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T14:34Z","latitude":-8.0,"longitude":null,"halfAngle":35.0,"speed":334.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of E90 due to source beyond the East limb and lack of COR2A imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.3,"submissionTime":"2026-08-29T12:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48375/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T05:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T05:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the East by SOHO LASCO C2 beginning at 2026-08-29T05:00Z, as well as by SOHO LASCO C3 and GOES CCOR-1 in later frames. This CME is not visible in STEREO A COR2 as it is likely blocked by the occulting disk. The source for this event is field line opening seen originating from beyond the NE limb in GOES SUVI 195 and 284 beginning at approx. 2026-08-29T04:30Z.","submissionTime":"2026-08-29T12:31Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48376/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T13:23Z","latitude":8.0,"longitude":null,"halfAngle":21.0,"speed":424.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of E90 due to source from beyond the East limb and lack of COR2A imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-08-29T12:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48377/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T08:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T08:12Z","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 West by SOHO LASCO C2 beginning at 2026-08-29T08:12Z, as well as by SOHO LASCO C3, GOES CCOR-1 and STEREO A COR2 in later frames. The source of this event is likely far sided and can be seen as field line movement beyond the West limb in STEREO A EUVI 195 and SDO AIA 171 beginning at approx. 2026-08-29T07:00Z.","submissionTime":"2026-08-29T12:34Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48378/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T20:46Z","latitude":-7.0,"longitude":107.0,"halfAngle":28.0,"speed":275.0,"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 STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.4,"submissionTime":"2026-08-29T12:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48379/-1","enlilList":[{"modelCompletionTime":"2026-08-29T12:50Z","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/48380/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-04T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-04T10:00Z"}],"cmeIDs":["2026-08-29T08:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T11:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T11:48Z","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 2026-08-29T11:48Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. There is no clear source seen for this event, as it is likely far sided.","submissionTime":"2026-08-29T13:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48381/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T22:39Z","latitude":40.0,"longitude":-147.0,"halfAngle":18.0,"speed":319.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.6,"submissionTime":"2026-08-29T13:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48382/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T15:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T15:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in STEREO A COR2 and GOES CCOR-1 imagery. The source is related to a field line opening seen along or just beyond the northeast limb in SDO AIA 171 and GOES SUVI 284 beginning at 2026-08-29T14:30Z.","submissionTime":"2026-08-30T01:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48390/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-29T21:10Z","latitude":33.0,"longitude":-90.0,"halfAngle":14.0,"speed":577.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.5,"submissionTime":"2026-08-30T01:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48391/-1","enlilList":[{"modelCompletionTime":"2026-08-30T02:07Z","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/48394/-1","impactList":null,"cmeIDs":["2026-08-29T15:38:00-CME-001"]},{"modelCompletionTime":"2026-08-30T03:04Z","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/48395/-1","impactList":null,"cmeIDs":["2026-08-29T15:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T18:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T18:45Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the east in GOES CCOR-1 imagery. The source is likely related to an eruption visible from near but beyond the eastern limb in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery starting around 2026-08-29T17:00Z. An opening of field lines is visible over the eastern limb around this time as seen in SDO AIA 193 and GOES SUVI 195/304 imagery.","submissionTime":"2026-08-30T01:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48387/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T01:18Z","latitude":-2.0,"longitude":null,"halfAngle":24.0,"speed":470.0,"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":10.4,"submissionTime":"2026-08-30T01:13Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48388/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-29T20:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-29T20:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in STEREO A COR2 and GOES CCOR-1 imagery. The source is likely related to an eruption visible from near but beyond the northeastern limb in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery starting around 2026-08-29T18:39Z. An opening of field lines is visible over the northeast limb in SDO AIA 193 and GOES SUVI 195/284 imagery at this time.","submissionTime":"2026-08-30T00:59Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48385/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T05:03Z","latitude":30.0,"longitude":-83.0,"halfAngle":16.0,"speed":342.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.1,"submissionTime":"2026-08-30T01:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48386/-1","enlilList":[{"modelCompletionTime":"2026-08-30T01:15Z","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/48389/-1","impactList":null,"cmeIDs":["2026-08-29T20:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T00:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T00:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in GOES CCOR-1 and to the northwest in STEREO A COR2 imagery. The source is likely far-sided as there are no corresponding source signatures on the Earth-facing disk around the time of this event.","submissionTime":"2026-08-30T02:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48392/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T08:23Z","latitude":47.0,"longitude":-136.0,"halfAngle":12.0,"speed":374.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between GOES CCOR-1 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.4,"submissionTime":"2026-08-30T02:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48393/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T01:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T01:48Z","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 in SOHO LASCO C2 starting at 2026-08-30T01:48Z. The CME is also seen to the NE in GOES CCOR-1 and SOHO LASCO C3 and to the NNE in STEREO A COR2. The source of this CME is most likely associated with a C3.0 flare from beyond the NE limb (~N12) that peaked at 2026-08-30T01:20Z. The flare is best seen in SDO AIA 131. Some ejecta from beyond the NE limb can also be seen in SDO AIA 304.","submissionTime":"2026-08-30T06:58Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48396/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T08:55Z","latitude":22.0,"longitude":-88.0,"halfAngle":31.0,"speed":513.0,"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 as well as on probable source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-08-30T07:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48397/-1","enlilList":[{"modelCompletionTime":"2026-08-30T07:16Z","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/48399/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-03T01:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-03T16:00Z"}],"cmeIDs":["2026-08-30T01:48:00-CME-001"]},{"modelCompletionTime":"2026-08-30T07:45Z","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/48400/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-03T01:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-03T16:00Z"}],"cmeIDs":["2026-08-30T01:48:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-08-30T01:10:00-FLR-001"}],"sentNotifications":[{"messageID":"20260830-AL-001","messageIssueTime":"2026-08-30T07:53Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48401/1"}]},{"activityID":"2026-08-30T03:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T03:24Z","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 E in SOHO LASCO C2 starting around 2026-08-30T03:24Z. It is also seen to the E in SOHO LASCO C3 and GOES CCOR-1. The source may be related to some very minor field line movement near the E limb best seen in SDO AIA 171 beginning around 2026-08-30T02:00Z.","submissionTime":"2026-08-30T08:50Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48404/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T13:48Z","latitude":-10.0,"longitude":-73.0,"halfAngle":10.0,"speed":350.0,"type":"S","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":null,"submissionTime":"2026-08-30T08:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48405/-1","enlilList":[{"modelCompletionTime":"2026-08-30T09:06Z","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/48406/-1","impactList":null,"cmeIDs":["2026-08-30T03:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T04:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T04:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NNE in SOHO LASCO C2 starting at 2026-08-30T04:36Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1 but is not seen in STEREO A COR2. No source candidate has been found on the Earth-facing disk, so the source is likely far-sided.","submissionTime":"2026-08-30T08:15Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48402/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T15:06Z","latitude":56.0,"longitude":null,"halfAngle":15.0,"speed":345.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to lack of source candidate and lack of triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-08-30T08:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48403/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T09:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T09:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME only observed to the E in SOHO LASCO C2 as it fades after several frames, and overlaps with far-sided CME: 2026-08-30T10:24Z. No distinct source for this CME is observed, but may be related or sympathetic to the source of CME: 2026-08-30T10:24Z as far-sided field line movement in SDO AIA 171 starting around 2026-08-30T09:06Z; no on-disk source candidates.","submissionTime":"2026-08-30T17:31Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48415/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T20:18Z","latitude":-11.0,"longitude":null,"halfAngle":25.0,"speed":338.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2 plane-of-sky as the only observing coronagraph and unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.9,"submissionTime":"2026-08-30T17:33Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48416/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T10:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T10:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the E in SOHO LASCO C2 and faintly to the W in STEREO A COR2, the front fades after early frames and is not visible in LASCO C3 or GOES CCOR-1. The source is likely far-sided field line movement observed beyond the E limb in SDO AIA 171 starting around 2026-08-30T09:06Z.","submissionTime":"2026-08-30T13:51Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48407/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T18:02Z","latitude":0.0,"longitude":-137.0,"halfAngle":40.0,"speed":464.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and the very faint front in STEREO A COR2. Due to the poor front visibility, some uncertainty in the tracking is noted.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.3,"submissionTime":"2026-08-30T13:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48408/-1","enlilList":[{"modelCompletionTime":"2026-08-30T14:06Z","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/48409/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-08-31T18:00Z"}],"cmeIDs":["2026-08-30T10:24:00-CME-001"]},{"modelCompletionTime":"2026-08-30T14:33Z","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/48413/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"BepiColombo","arrivalTime":"2026-08-31T15:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Lucy","arrivalTime":"2026-09-16T00:00Z"}],"cmeIDs":["2026-08-30T10:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T12:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T12:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N35E05","activeRegionNum":null,"note":"CME observed to the NE in SOHO LASCO C2 and STEREO A COR2. The source is a filament eruption in the north central disk centered ~N35E05 observed in SDO AIA 304, and additionally in STEREO A EUVI 304 on the NE limb as viewed from STEREO A. The filament begins to rise as early as approximately 2026-08-29T22:00Z, rising faster after 2026-08-30T06:00Z, and fully lifts off with on-disk brightening after 2026-08-30T11:00Z. Also observed as some field line movement and dimming in SDO AIA 171/193.","submissionTime":"2026-08-30T14:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48411/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T00:29Z","latitude":44.0,"longitude":-22.0,"halfAngle":23.0,"speed":311.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated LE analysis, triangulation between STEREO A COR2 and GOES CCOR-1 imagery. Slight increase in speed.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.3,"submissionTime":"2026-08-30T17:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48417/-1","enlilList":[{"modelCompletionTime":"2026-08-30T18:09Z","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/48418/-1","impactList":null,"cmeIDs":["2026-08-30T12:09:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-08-31T01:07Z","latitude":42.0,"longitude":-22.0,"halfAngle":23.0,"speed":278.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Preliminary triangulation between SOHO LASCO C2 and STEREO A COR2 of the brightest material; a faint more wide front is seen in earliest frames as well but travels with the bright front and does not appear shock-like. Northeastward deflection from the source observed.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.6,"submissionTime":"2026-08-30T14:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48412/-1","enlilList":[{"modelCompletionTime":"2026-08-30T14:47Z","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/48414/-1","impactList":null,"cmeIDs":["2026-08-30T12:09:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T13:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T13:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is faint but visible to the northeast in STEREO A COR2 imagery. The source is likely far-sided as there are no corresponding signatures on the Earth-facing disk visible around the time of this event.","submissionTime":"2026-08-30T23:53Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48419/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T19:51Z","latitude":49.0,"longitude":null,"halfAngle":11.0,"speed":514.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of -22 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.8,"submissionTime":"2026-08-30T23:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48420/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T17:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T17:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the west in STEREO A COR2 imagery only. The source is likely far-sided as there are no corresponding source signatures visible on the solar disk around the time of this event.","submissionTime":"2026-08-31T00:00Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48423/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T03:08Z","latitude":7.0,"longitude":null,"halfAngle":10.0,"speed":320.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"A plane-of-sky measurement was made using a longitude of 158 degrees due to the far-sided and therefore unknown source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.9,"submissionTime":"2026-08-31T17:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48424/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T17:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T17:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S14E60","activeRegionNum":null,"note":"This CME is visible to the southeast in STEREO A COR2 and GOES CCOR-1 imagery. The source is an eruption centered near S14E60 starting around 2026-08-30T16:45Z as seen in SDO AIA 131/171/193 and GOES SUVI 131/171/195/284 imagery. An opening of field lines is visible over the southeast limb in SDO AIA 171 and GOES SUVI 195/284 imagery.","submissionTime":"2026-08-30T23:56Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48421/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-30T23:37Z","latitude":-20.0,"longitude":-59.0,"halfAngle":19.0,"speed":462.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the approximate source location and best fit between STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.9,"submissionTime":"2026-08-30T23:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48422/-1","enlilList":[{"modelCompletionTime":"2026-08-31T00:13Z","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/48427/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-03T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-04T10:00Z"}],"cmeIDs":["2026-08-30T17:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-30T18:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-30T18:30Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the northeast in GOES CCOR-1 imagery only. The source of this event is likely far-sided as there are no source signatures visible on the Earth-facing disk around the time of this event.","submissionTime":"2026-08-31T00:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48425/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T02:08Z","latitude":23.0,"longitude":null,"halfAngle":13.0,"speed":397.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","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":8.9,"submissionTime":"2026-08-31T00:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48426/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-31T01:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-31T01:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N35W05","activeRegionNum":null,"note":"CME observed to the N in SOHO LASCO C2/C3 and GOES CCOR-1, and NE in STEREO A COR2. There is no clear EUV source for this CME, but could be slow moving and brightening field lines, and weak dimming, in the north central disk starting as early as 2026-08-30T20:00Z spanning approximately N35W05 - N35W10.","submissionTime":"2026-09-03T16:26Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48444/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T10:00Z","latitude":51.0,"longitude":5.0,"halfAngle":23.0,"speed":411.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C3 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.8,"submissionTime":"2026-08-31T17:16Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48445/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-08-31T04:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-31T04:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12E80","activeRegionNum":14521,"note":"CME observed to the NE in SOHO LASCO C2/C3, STEREO A COR2, and in GOES CCOR-1 though somewhat obscured by earthshine. The source is likely AR 14521 associated with a C1.0 flare peaking at 2026-08-31T03:33Z observed in SDO AIA 131, with northward deflected field line movement in SDO AIA 171/193.","submissionTime":"2026-08-31T15:38Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48436/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T11:32Z","latitude":33.0,"longitude":-66.0,"halfAngle":14.0,"speed":493.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.9,"submissionTime":"2026-08-31T15:39Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48437/-1","enlilList":[{"modelCompletionTime":"2026-08-31T15:55Z","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/48440/-1","impactList":null,"cmeIDs":["2026-08-31T04:12:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-08-31T03:31:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-08-31T05:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-31T05:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N16E75","activeRegionNum":14521,"note":"CME observed to the E in SOHO LASCO C2/C3, STEREO A COR2, and in GOES CCOR-1 though somewhat obscured by earthshine. The source for this CME is not clear and could be related to AR 14521 as triangulation fits the front ~E70; potentially as faint loop brightening in SDO AIA 193 starting around 2026-08-31T04:58Z centered around N16E75 that could be sympathetic to the eruption at 2026-08-31T03:31Z associated to CME 2026-08-31T04:12Z. Some weak field line movement to the E is observed in SDO AIA 171 starting around 2026-08-31T04:00Z as another potential candidate.","submissionTime":"2026-08-31T15:56Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48438/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T11:48Z","latitude":8.0,"longitude":-72.0,"halfAngle":19.0,"speed":550.0,"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":9.8,"submissionTime":"2026-08-31T15:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48439/-1","enlilList":[{"modelCompletionTime":"2026-08-31T16:11Z","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/48442/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-04T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-04T20:00Z"}],"cmeIDs":["2026-08-31T05:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260831-AL-004","messageIssueTime":"2026-08-31T16:51Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48443/1"}]},{"activityID":"2026-08-31T07:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-31T07:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S13E53","activeRegionNum":null,"note":"CME observed to the SE in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The source is an unnumbered area of the disk centered around S13E53. At 2026-08-31T05:12Z and again at 2026-08-31T06:42Z, dimming and field line movement are observed here in SDO AIA 171/193, the latter eruption also with post-eruptive brightening.","submissionTime":"2026-08-31T13:11Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48431/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-08-31T11:25Z","latitude":-16.0,"longitude":-48.0,"halfAngle":21.0,"speed":841.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2/C3 and STEREO A COR2. The CME presents as two lobes traveling together, and this analysis includes them together as the LE.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.3,"submissionTime":"2026-08-31T13:13Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48432/-1","enlilList":[{"modelCompletionTime":"2026-08-31T13:27Z","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/48433/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":true,"location":"Europa Clipper","arrivalTime":"2026-09-03T08:00Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"OSIRIS-APEX","arrivalTime":"2026-09-04T06:00Z"}],"cmeIDs":["2026-08-31T07:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260831-AL-003","messageIssueTime":"2026-08-31T15:11Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48434/1"}]},{"activityID":"2026-08-31T13:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-08-31T13:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the N in SOHO LASCO C2 and NE in STEREO A COR2. No distinct source in EUV imagery is observed, likely originating from the high latitude north central disk, with broad, slow field line movement and dimming in SDO AIA 171/193.","submissionTime":"2026-08-31T18:46Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48446/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-01T00:03Z","latitude":52.0,"longitude":3.0,"halfAngle":12.0,"speed":297.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.5,"submissionTime":"2026-08-31T18:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48447/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-01T06:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-01T06:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S12E68","activeRegionNum":null,"note":"Faint CME observed to the SE in SOHO LASCO C2 and one frame of STEREO A COR2, fading into background and weakly visible in LASCO C3 and GOES CCOR-1. The source is an eruption centered ~S12E68 with no active region, observed as field line movement, brightening, and dimming in SDO AIA 171/193 starting around 2026-09-01T04:24Z.","submissionTime":"2026-09-01T12:44Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48448/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-01T20:36Z","latitude":-13.0,"longitude":-68.0,"halfAngle":16.0,"speed":253.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Fit between SOHO LASCO C2 and one available frame of STEREO A COR2 that matches (weak triangulation), using the source of S12E68.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.5,"submissionTime":"2026-09-01T12:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48449/-1","enlilList":[{"modelCompletionTime":"2026-09-01T13:00Z","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/48450/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T01:00Z"}],"cmeIDs":["2026-09-01T06:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-01T21:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-01T21:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N05E50","activeRegionNum":null,"note":"CME first seen to the East by SOHO LASCO C2 beginning at 2026-09-01T21:24Z, 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 2026-09-01T19:08Z. The source of this event is a small region of dimming centered at approx. N05E50 beginning at approx. 2026-09-01T20:45Z as seen in SDO AIA 193.","submissionTime":"2026-09-02T01:04Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48452/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T05:37Z","latitude":11.0,"longitude":-50.0,"halfAngle":27.0,"speed":440.0,"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":"2026-09-02T01:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48453/-1","enlilList":[{"modelCompletionTime":"2026-09-02T01:21Z","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/48457/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-05T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-05T16:00Z"}],"cmeIDs":["2026-09-01T21:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-01T23:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-01T23:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N15E90","activeRegionNum":null,"note":"CME first seen to the NE by SOHO LASCO C2 beginning at 2026-09-01T23:00Z, 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 2026-09-01T19:08Z. The source of this event is a C5.7 flare seen originating from along or just beyond the NE limb (approx. N15E90) peaking at 2026-09-01T21:10Z as seen in SDO AIA 131. Field line opening is also visible in SDO AIA 171, 193 and GOES SUVI 284.","submissionTime":"2026-09-02T01:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48454/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T08:21Z","latitude":15.0,"longitude":null,"halfAngle":27.0,"speed":372.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of E90 due to source along/beyond the limb and lack of STEREO A imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.6,"submissionTime":"2026-09-02T01:09Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48455/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-09-01T21:04:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-09-02T00:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-02T00:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N05W105","activeRegionNum":14513,"note":"Narrow CME first seen to the W in STEREO A COR2 beginning at 2026-09-02T00:08Z. No appropriately timed source can be seen on the solar disk. There is some post-eruptive brightening from former AR 14513 (N05W105) best seen in STA EUVI beginning around 2026-09-02T00:55Z that may be related.","submissionTime":"2026-09-02T17:43Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48464/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T05:58Z","latitude":-3.0,"longitude":105.0,"halfAngle":10.0,"speed":326.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Single coronagraph measurement based on probable source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-03T19:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48465/-1","enlilList":[{"modelCompletionTime":"2026-09-02T17:28Z","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/48466/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-07T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-07T00:00Z"}],"cmeIDs":["2026-09-02T00:08:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-02T07:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-02T07:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S15E55","activeRegionNum":null,"note":"CME first seen to the E in SOHO LASCO C2 starting around 2026-09-02T07:24Z. It is also seen to the E in SOHO LASCO C3 and GOES CCOR-1 and to the SE in STEREO A COR2. The source is most likely a small eruption from an unnumbered region centered around S15E55 best seen in SDO AIA 193 beginning around 2026-09-02T05:31Z. Measurement indicates some deflection from the source region; this is consistent with the proximity to a small coronal hole centered around S00E25 at the time of the eruption.","submissionTime":"2026-09-02T18:17Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48468/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T21:27Z","latitude":-9.0,"longitude":-78.0,"halfAngle":39.0,"speed":254.0,"type":"S","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":null,"submissionTime":"2026-09-02T18:18Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48469/-1","enlilList":[{"modelCompletionTime":"2026-09-02T18:32Z","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/48470/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T02:00Z"}],"cmeIDs":["2026-09-02T07:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-02T10:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-02T10:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Very faint CME first seen to the W in SOHO LASCO C2 starting around 2026-09-02T10:24Z. It is more easily seen to the E in STEREO A COR2. It is not seen in SOHO LASCO C3 or GOES CCOR-1. The source is possibly related to a minor eruption from the vicinity of AR 14522 best seen in SDO AIA 304 beginning around 2026-09-02T09:10Z.","submissionTime":"2026-09-06T23:38Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48460/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T22:21Z","latitude":6.0,"longitude":27.0,"halfAngle":38.0,"speed":280.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit between SOHO LASCO C2 and STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-02T13:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48461/-1","enlilList":[{"modelCompletionTime":"2026-09-02T13:56Z","au":2.0,"estimatedShockArrivalTime":"2026-09-06T16:00Z","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/48462/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-04T07:34Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-07T04:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-06T08:00Z"}],"cmeIDs":["2026-09-02T10:24:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-06T17:38:00-IPS-001"}],"sentNotifications":null},{"activityID":"2026-09-02T15:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-02T15:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow, jet-like CME first seen to the NE in SOHO LASCO C2 starting at 2026-09-02T15:36Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1. It is covered by a data gap in STEREO A COR2. The source may be related to some minor field line movement beyond the E limb in SDO AIA 171 beginning as early as 2026-09-02T13:00Z. This CME is overtaken by CME: 2026-09-02T19:36Z.","submissionTime":"2026-09-03T17:28Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48498/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T21:07Z","latitude":20.0,"longitude":null,"halfAngle":10.0,"speed":648.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to lack of triangulation and beyond-limb source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-03T19:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48499/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-02T19:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-02T19:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12E90","activeRegionNum":14524,"note":"Bright CME visible to the NE in SOHO LASCO C2, C3 and GOES CCOR-1 imagery. This CME is not visible in STEREO A COR2 imagery due to a data gap. The source of this CME is an M3.0 flare from an unnumbered region just beyond the NE limb. It is possible this is the returning region 14507 (N04) which rotated off of the Earth-facing disk on 2026-08-21. This long duration flare is associated with visible moving/opening field lines in SDO/AIA 193, 171, 211, GOES SUVI 304 and 284 starting around 2026-09-02T19:00Z. It is also associated with a filament eruption (best seen in GOES SUVI 304 starting around 2026-09-02T19:08Z), EUV wave (best seen in SDO/AIA 193 starting around 2026-09-02T19:27Z), and post-eruptive arcades visible in SDO/AIA 193 and 171 starting around 2026-09-02T21:00Z. There may also be H-alpha emission visible within SOHO LASCO C2 & C3 imagery.","submissionTime":"2026-09-03T15:08Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48473/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-02T22:53Z","latitude":27.0,"longitude":-90.0,"halfAngle":35.0,"speed":1038.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"BULK parameters based on best fit using SOHO LASCO C2, C3, and GOES CCOR-1 imagery. There may be some uncertainty with these parameters due to limited stereoscopic viewpoints.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.8,"submissionTime":"2026-09-02T21:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48474/-1","enlilList":[{"modelCompletionTime":"2026-09-02T22:09Z","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/48476/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T12:00Z"}],"cmeIDs":["2026-09-02T19:36:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-09-02T22:03Z","latitude":22.0,"longitude":-50.0,"halfAngle":39.0,"speed":1323.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SHOCK parameters based on best fit using SOHO LASCO C2, C3, and GOES CCOR-1 imagery. There may be some uncertainty with these parameters due to limited stereoscopic viewpoints.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.3,"submissionTime":"2026-09-02T21:54Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48475/-1","enlilList":[{"modelCompletionTime":"2026-09-02T22:40Z","au":2.0,"estimatedShockArrivalTime":"2026-09-05T18:00Z","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/48478/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-04T20:47Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-05T08:37Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-06T06:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-04T02:00Z"}],"cmeIDs":["2026-09-02T19:36:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-02T18:57:00-FLR-001"}],"sentNotifications":[{"messageID":"20260902-AL-002","messageIssueTime":"2026-09-02T22:27Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48477/1"}]},{"activityID":"2026-09-03T01:37:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T01:37Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Feature first seen to the NE in SOHO LASCO C2 starting at 2026-09-03T01:37Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1 and to the NNE in STEREO A COR2. This feature is likely outflow following CME: 2026-09-02T19:36Z.","submissionTime":"2026-09-03T13:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48484/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T07:05Z","latitude":29.0,"longitude":-87.0,"halfAngle":15.0,"speed":523.0,"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":null,"submissionTime":"2026-09-03T13:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48485/-1","enlilList":[{"modelCompletionTime":"2026-09-03T13:36Z","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/48486/-1","impactList":null,"cmeIDs":["2026-09-03T01:37:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-03T03:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T03:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N50E40","activeRegionNum":null,"note":"Slow CME first seen to the NNE in SOHO LASCO C2 starting around 2026-09-03T03:12Z. It is also seen to the NNE in SOHO LASCO C3, GOES CCOR-1, and STEREO A COR2. This feature is easiest to see in STEREO A COR2. The source may be related to some very faint field line movement best seen in SDO AIA 193 beginning as early as 2026-09-03T00:00Z centered around N50E40.","submissionTime":"2026-09-03T16:34Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48493/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T16:03Z","latitude":48.0,"longitude":-29.0,"halfAngle":19.0,"speed":278.0,"type":"S","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":null,"submissionTime":"2026-09-03T16:35Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48494/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-03T04:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T04:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the E in SOHO LASCO C2 starting at 2026-09-03T04:48Z. It is also seen to the E in GOES CCOR-1 and STEREO A COR2 but is covered by a real-time data gap in SOHO LASCO C3. The source is likely related to wide opening field lines beyond the E limb best seen in GOES SUVI 284 beginning as early as 2026-09-03T04:14Z.","submissionTime":"2026-09-03T11:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48479/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T11:40Z","latitude":0.0,"longitude":-95.0,"halfAngle":33.0,"speed":512.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on best fit among SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2 as well as on beyond-limb source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":17.2,"submissionTime":"2026-09-03T11:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48480/-1","enlilList":[{"modelCompletionTime":"2026-09-03T12:11Z","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/48481/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-04T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T18:00Z"}],"cmeIDs":["2026-09-03T04:48:00-CME-001"]},{"modelCompletionTime":"2026-09-03T12:45Z","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/48482/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-04T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T18:00Z"}],"cmeIDs":["2026-09-03T04:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260903-AL-001","messageIssueTime":"2026-09-03T13:09Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48483/1"}]},{"activityID":"2026-09-03T10:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T10:15Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NE in GOES CCOR-1 starting at 2026-09-03T10:15Z. It is also seen to the NE in SOHO LASCO C3 and GOES CCOR-1 and speculatively to the NW in STEREO A COR2. The source of this CME is a large filament eruption beyond the NE limb best seen in GOES SUVI 304 starting around 2026-09-03T09:30Z","submissionTime":"2026-09-03T15:29Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48487/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T12:36Z","latitude":26.0,"longitude":-129.0,"halfAngle":27.0,"speed":1320.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"This fit is more speculative than normal due to the faintness of the leading edge in STEREO A COR2. This CME is mostly missed by STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-03T15:32Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48488/-1","enlilList":[{"modelCompletionTime":"2026-09-03T15:54Z","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/48490/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-04T04:05Z"}],"cmeIDs":["2026-09-03T10:15:00-CME-001"]},{"modelCompletionTime":"2026-09-03T16:16Z","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/48491/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-04T04:20Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Lucy","arrivalTime":"2026-09-15T12:00Z"}],"cmeIDs":["2026-09-03T10:15:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260903-AL-002","messageIssueTime":"2026-09-03T15:40Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48489/1"},{"messageID":"20260903-AL-003","messageIssueTime":"2026-09-03T16:32Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48492/1"}]},{"activityID":"2026-09-03T11:01:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T11:01Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N11E44","activeRegionNum":14523,"note":"Narrow CME first seen to the NE in SOHO LASCO C2 starting around 2026-09-03T11:01Z. It is also seen to the NE in SOHO LASCO C3, STEREO A COR2, and GOES CCOR-1. A possible source is a  C2.2 flare from AR 14523 (N11E44) seen peaking at 2026-09-03T09:42Z in SDO AIA 131, along with faint dimming seen in SDO AIA 193.","submissionTime":"2026-09-03T16:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48496/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T17:08Z","latitude":49.0,"longitude":-66.0,"halfAngle":20.0,"speed":568.0,"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":null,"submissionTime":"2026-09-03T16:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48497/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-09-03T09:35:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-09-03T16:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T16:36Z","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 E in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. There are two possible sources. The first possible source is a slow, gradual field line loop rising/opening seen in GOES SUVI 284 beginning at approx. 2026-09-03T14:00Z. The second potential source is a C6.9 flare from AR 14523 (N11E41) peaking at 2026-09-03T14:46Z as seen in SDO AIA 131. Based on triangulation of features, it is more likely the opening field lines seen in GOES SUVI 284.","submissionTime":"2026-09-04T01:19Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48501/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-03T19:06Z","latitude":0.0,"longitude":-71.0,"halfAngle":20.0,"speed":1321.0,"type":"O","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":14.7,"submissionTime":"2026-09-04T01:34Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48502/-1","enlilList":[{"modelCompletionTime":"2026-09-04T01:36Z","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/48511/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-06T14:00Z"}],"cmeIDs":["2026-09-03T16:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260904-AL-001","messageIssueTime":"2026-09-04T02:09Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48512/1"}]},{"activityID":"2026-09-03T18:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T18:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Slow moving CME front visible to the NE in SOHO LASCO C2 imagery. It is overtaken by the CME first seen to the NE in SOHO LASCO C2 starting at 2026-09-03T19:12Z. This CME may be associated with slow moving/opening field lines visible to the NE in GOES SUVI 284.","submissionTime":"2026-09-04T01:24Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48503/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T05:27Z","latitude":24.0,"longitude":null,"halfAngle":30.0,"speed":317.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky parameters using best fit of features in SOHO LASCO C2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.3,"submissionTime":"2026-09-04T01:34Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48504/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-03T19:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T19:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Wide, slowly billowing CME visible to the NE in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. This CME overlaps and overtakes the CME first seen to the NE in SOHO LASCO C2 at 2026-09-03T18:00Z. The source for this CME is likely moving/opening field lines visible to the NE in GOES SUVI 284 starting around 2026-09-03T18:00Z.","submissionTime":"2026-09-04T01:32Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48505/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T06:11Z","latitude":45.0,"longitude":-82.0,"halfAngle":32.0,"speed":373.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.5,"submissionTime":"2026-09-04T01:36Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48506/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-03T22:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T22:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the E in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is likely moving/opening field lines visible beyond the E limb in GOES SUVI 284. This CME partially overlaps with the CME first seen to the NE in SOHO LASCO C2 at 2026-09-03T19:12Z.","submissionTime":"2026-09-04T01:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48507/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T03:34Z","latitude":8.0,"longitude":-80.0,"halfAngle":28.0,"speed":650.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on the best fit using SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.2,"submissionTime":"2026-09-04T01:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48508/-1","enlilList":[{"modelCompletionTime":"2026-09-04T02:46Z","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/48514/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-07T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T06:00Z"}],"cmeIDs":["2026-09-03T22:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260904-AL-002","messageIssueTime":"2026-09-04T03:16Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48515/1"}]},{"activityID":"2026-09-03T22:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-03T22:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the SE in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. The source of this CME is a filament eruption visible to the SE in GOES SUVI 304 with associated moving/opening field lines visible in GOES SUVI 284 starting around 2026-09-03T21:56Z.","submissionTime":"2026-09-04T01:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48509/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T01:54Z","latitude":-26.0,"longitude":-76.0,"halfAngle":25.0,"speed":1020.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. The CME deflects further south as it progresses outwards in the field of view.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.0,"submissionTime":"2026-09-04T01:49Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48510/-1","enlilList":[{"modelCompletionTime":"2026-09-04T02:24Z","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/48513/-1","impactList":null,"cmeIDs":["2026-09-03T22:36:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T06:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T06:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N12E63","activeRegionNum":14524,"note":"CME visible to the NE in SOHO LASCO C2/C3 and STEREO A COR2. The CME is not visible in GOES CCOR-1 due to an outage. The source is likely AR 14524 (approximately N12E63). An eruption with moving field lines starting around 2026-09-04T05:09Z is best seen in SDO AIA 193 imagery. The eruption is not clearly seen in STEREO A EUV imagery.","submissionTime":"2026-09-04T11:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48517/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T14:29Z","latitude":39.0,"longitude":-66.0,"halfAngle":16.0,"speed":389.0,"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 in SWPC_CAT as well as the potential source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.3,"submissionTime":"2026-09-04T11:27Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48518/-1","enlilList":[{"modelCompletionTime":"2026-09-04T11:41Z","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/48519/-1","impactList":null,"cmeIDs":["2026-09-04T06:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T08:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T08:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the SE by SOHO LASCO C2 beginning at 2026-09-04T08:48Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This CME is not seen in GOES CCOR-1 due to a data gap which began at 2026-09-04T03:30Z. The source of this event is filament ejecta seen along the SE limb in GOES SUVI 304 beginning at approx. 2026-09-04T08:28Z, along with field line opening seen in GOES SUVI 284.","submissionTime":"2026-09-04T13:15Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48521/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T14:43Z","latitude":-26.0,"longitude":-90.0,"halfAngle":16.0,"speed":523.0,"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":11.8,"submissionTime":"2026-09-04T13:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48522/-1","enlilList":[{"modelCompletionTime":"2026-09-04T13:29Z","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/48523/-1","impactList":null,"cmeIDs":["2026-09-04T08:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T13:52:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T13:52Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S17E80","activeRegionNum":null,"note":"CME visible to the SE in SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2. The CME is obscured by the pylon in SOHO LASCO C3. The source is likely near the SE limb, as brightening and moving field lines are seen around S17E80 in SDO AIA 193 around 2026-09-04T12:42Z.","submissionTime":"2026-09-04T15:50Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48524/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T18:24Z","latitude":-40.0,"longitude":-80.0,"halfAngle":14.0,"speed":727.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the potential source location using SOHO LASCO C2 and GOES CCOR-1 imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.0,"submissionTime":"2026-09-04T15:51Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48525/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T15:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T15:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12E60","activeRegionNum":14524,"note":"CME visible to the east in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The potential source is an eruption near AR 14525, with several possible eruption candidates, including brightening and opening field lines seen starting around 2026-09-04T13:42Z.","submissionTime":"2026-09-04T18:43Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48526/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T02:01Z","latitude":4.0,"longitude":-60.0,"halfAngle":22.0,"speed":272.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between STEREO A COR2, SOHO LASCO C2/C3, and GOES CCOR-1 imagery in SWPC_CAT as well as the potential source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.2,"submissionTime":"2026-09-04T18:44Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48527/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T16:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T16:45Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow, faint CME visible to the E in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is likely on or just beyond the E limb, as seen by moving field lines in SDO AIA 171 in ISWA around 2026-09-04T16:00Z.","submissionTime":"2026-09-15T21:50Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48529/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-04T22:49Z","latitude":1.0,"longitude":-71.0,"halfAngle":12.0,"speed":425.0,"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":10.0,"submissionTime":"2026-09-05T01:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48530/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T17:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T17:15Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME with an unclear leading edge visible to the NE in GOES CCOR-1 imagery. This CME is not clearly seen in STEREO A COR2 imagery and there is a real-time data gap in SOHO LASCO C2/C3 covering this event. The source for this CME may possibly be an eruption from AR 14524, however it is not clear.","submissionTime":"2026-09-15T21:51Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48531/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T00:28Z","latitude":21.0,"longitude":-60.0,"halfAngle":21.0,"speed":405.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit with possible source location of AR 14524 in mind.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-09-05T01:45Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48532/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-04T20:15:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T20:15Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N12E55","activeRegionNum":14524,"note":"Fast CME visible to the E/SE in GOES CCOR-1 and STEREO A COR2 imagery. There is a real-time DSN gap in the SOHO LASCO data covering the timing of this event. The source of this CME is a flare with associated filament eruption from AR 14524 (N12E55) starting around 2026-09-04T19:08Z as seen in GOES SUVI 304.","submissionTime":"2026-09-05T01:50Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48534/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T00:04Z","latitude":-9.0,"longitude":-45.0,"halfAngle":24.0,"speed":701.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.1,"submissionTime":"2026-09-05T01:52Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48535/-1","enlilList":[{"modelCompletionTime":"2026-09-05T02:21Z","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/48538/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-07T21:40Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T12:00Z"}],"cmeIDs":["2026-09-04T20:15:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-04T19:02:00-FLR-001"}],"sentNotifications":[{"messageID":"20260905-AL-001","messageIssueTime":"2026-09-05T02:37Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48539/1"}]},{"activityID":"2026-09-04T21:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-04T21:45Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"This CME is visible to the NE in GOES CCOR-1 and STEREO A COR2 imagery. There is a real-time DSN gap in the SOHO LASCO data covering the timing of this event. The source of this CME is an eruption from beyond the E/NE limb with visible deflection to the NE starting around 2026-09-04T20:52Z as seen in GOES SUVI 304.","submissionTime":"2026-09-05T01:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48536/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T01:29Z","latitude":18.0,"longitude":-75.0,"halfAngle":27.0,"speed":799.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":15.4,"submissionTime":"2026-09-05T01:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48537/-1","enlilList":[{"modelCompletionTime":"2026-09-05T02:52Z","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/48540/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-08T06:00Z"}],"cmeIDs":["2026-09-04T21:45:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260905-AL-002","messageIssueTime":"2026-09-05T03:05Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48541/1"}]},{"activityID":"2026-09-05T06:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-05T06:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"S18E15","activeRegionNum":null,"note":"This CME is visible to the southeast in STEREO A COR2 imagery and SOHO LASCO C2 imagery for a few frames before becoming too diffuse to observe. The source is likely an eruption centered near S18E15 as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery starting around 2026-09-05T05:15Z. Dimming is observed east of the eruption site in SDO AIA 193/GOES SUVI 195 imagery, indicating possible eastern deflection.","submissionTime":"2026-09-05T14:02Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48545/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T19:33Z","latitude":-15.0,"longitude":-38.0,"halfAngle":16.0,"speed":266.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the approximate source location, accounting for eastern deflection, and the best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.5,"submissionTime":"2026-09-05T14:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48546/-1","enlilList":[{"modelCompletionTime":"2026-09-05T14:49Z","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/48548/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-09T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-10T10:00Z"}],"cmeIDs":["2026-09-05T06:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-05T11:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-05T11:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"N12E45","activeRegionNum":14524,"note":"This CME is visible to the east/southeast in STEREO A COR2 and SOHO LASCO C2/C3 imagery. This event is not seen in GOES CCOR-1 imagery in real time due to a data gap starting at 2026-09-05T03:30Z. The source is an eruption and C6.4 flare from Active Region 14524 (N12E45) starting around 2026-09-05T10:30Z as seen in SDO AIA 131/171/193/304 and GOES SUVI 131/171/195/284/304 imagery.","submissionTime":"2026-09-05T13:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48542/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T14:35Z","latitude":-5.0,"longitude":-25.0,"halfAngle":25.0,"speed":873.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.6,"submissionTime":"2026-09-05T13:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48543/-1","enlilList":[{"modelCompletionTime":"2026-09-05T14:14Z","au":2.0,"estimatedShockArrivalTime":"2026-09-08T02:52Z","estimatedDuration":24.5,"rmin_re":6.4,"kp_18":null,"kp_90":4,"kp_135":5,"kp_180":6,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/48547/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-08T04:38Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-08T14:17Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T18:44Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-06T20:00Z"}],"cmeIDs":["2026-09-05T11:09:00-CME-001"]},{"modelCompletionTime":"2026-09-06T02:09Z","au":2.0,"estimatedShockArrivalTime":"2026-09-07T20:36Z","estimatedDuration":23.9,"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/48587/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-07T18:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-08T05:47Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T04:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-06T21:00Z"}],"cmeIDs":["2026-09-05T11:09:00-CME-001","2026-09-05T18:09:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-05T10:24:00-FLR-001"},{"activityID":"2026-09-07T06:07:00-IPS-001"},{"activityID":"2026-09-08T15:50:00-RBE-001"}],"sentNotifications":[{"messageID":"20260905-AL-003","messageIssueTime":"2026-09-05T15:13Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48549/1"},{"messageID":"20260905-AL-010","messageIssueTime":"2026-09-05T19:47Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48573/1"},{"messageID":"20260906-AL-003","messageIssueTime":"2026-09-06T13:00Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48588/1"}]},{"activityID":"2026-09-05T15:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-05T15:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S12W68","activeRegionNum":14520,"note":"Bright CME observed to the SW in SOHO LASCO C2/C3 and GOES CCOR-1, and as a full halo in STEREO A COR2. The source is associated with an M1.0 flare from AR 14520 peaking at 2026-09-05T15:18Z, observed in SDO AIA 131. The eruption is additionally observed as field line movement, wide EUV wave, dimming, filament ejecta, and post-eruptive arcade/brightening in SDO AIA 171/193/211/304 starting at 2026-09-05T15:04Z. Observed in STEREO A EUVI 304 as brightening at 2026-09-05T15:15Z and STEREO A EUVI 195 as dimming at 2026-09-05T15:55Z.","submissionTime":"2026-09-09T16:14Z","versionId":4,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48561/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T18:47Z","latitude":-3.0,"longitude":68.0,"halfAngle":42.0,"speed":1111.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SHOCK SOHO LASCO C2 only 3D analysis, using the source longitude at W68 as an estimate. With no COR2A available for triangulation at the time of analysis, parameters could vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.5,"submissionTime":"2026-09-09T16:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48565/-1","enlilList":[{"modelCompletionTime":"2026-09-05T17:06Z","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/48569/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-08T21:35Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-08T22:24Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-06T20:39Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-07T14:53Z"}],"cmeIDs":["2026-09-05T15:36:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-09-05T19:33Z","latitude":-11.0,"longitude":78.0,"halfAngle":44.0,"speed":892.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated BULK measurement based on updated imagery from SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. This updated measurement is pushed farther to the west to incorporate the leading edge feature in STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-09-05T18:49Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48572/-1","enlilList":[{"modelCompletionTime":"2026-09-05T19:56Z","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/48577/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-09T01:24Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-09T00:30Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-07T21:39Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-07T02:00Z"}],"cmeIDs":["2026-09-05T15:36:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-09-05T19:15Z","latitude":-9.0,"longitude":68.0,"halfAngle":36.0,"speed":966.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2 only preliminary 3D analysis, using the source longitude at W68 as an estimate. With no COR2A available for triangulation yet, parameters could vary slightly.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.2,"submissionTime":"2026-09-05T16:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48563/-1","enlilList":[{"modelCompletionTime":"2026-09-05T16:49Z","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/48567/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-09T08:29Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-07T20:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-09T03:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-07T04:00Z"}],"cmeIDs":["2026-09-05T15:36:00-CME-001"]},{"modelCompletionTime":"2026-09-05T17:39Z","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/48571/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-09T10:32Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-07T20:43Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-09T01:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-07T01:00Z"}],"cmeIDs":["2026-09-05T15:36:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-05T15:04:00-FLR-001"},{"activityID":"2026-09-05T15:45:00-SEP-001"},{"activityID":"2026-09-05T16:15:00-SEP-001"},{"activityID":"2026-09-05T16:18:00-SEP-001"},{"activityID":"2026-09-05T16:18:00-SEP-002"},{"activityID":"2026-09-05T16:30:00-SEP-001"},{"activityID":"2026-09-05T16:30:00-SEP-002"},{"activityID":"2026-09-05T16:30:00-SEP-003"},{"activityID":"2026-09-05T16:30:00-SEP-004"},{"activityID":"2026-09-08T04:28:00-IPS-001"}],"sentNotifications":[{"messageID":"20260905-AL-009","messageIssueTime":"2026-09-05T17:24Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48570/1"},{"messageID":"20260905-AL-011","messageIssueTime":"2026-09-05T20:36Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48578/1"}]},{"activityID":"2026-09-05T18:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-05T18:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12E42","activeRegionNum":14524,"note":"This CME is visible to the east in STEREO A COR2 and GOES CCOR-1 imagery. The source is related to an eruption and C8.5 flare from Active Region 14524 (N12E42) as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and GOES SUVI 195/304 imagery starting around 2026-09-05T17:40Z. Dimming is observed south of the eruption site in SDO AIA 193/GOES SUVI 195 imagery.","submissionTime":"2026-09-05T19:57Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48574/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-05T20:53Z","latitude":-4.0,"longitude":-21.0,"halfAngle":30.0,"speed":1110.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between STEREO A COR2 and GOES CCOR-1 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.5,"submissionTime":"2026-09-05T19:58Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48575/-1","enlilList":[{"modelCompletionTime":"2026-09-05T20:20Z","au":2.0,"estimatedShockArrivalTime":"2026-09-07T23:21Z","estimatedDuration":23.8,"rmin_re":5.8,"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/48579/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-07T16:44Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-08T08:10Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T04:10Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-06T22:00Z"}],"cmeIDs":["2026-09-05T18:09:00-CME-001"]},{"modelCompletionTime":"2026-09-06T02:09Z","au":2.0,"estimatedShockArrivalTime":"2026-09-07T20:36Z","estimatedDuration":23.9,"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/48587/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-07T18:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-08T05:47Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-08T04:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-06T21:00Z"}],"cmeIDs":["2026-09-05T11:09:00-CME-001","2026-09-05T18:09:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-05T17:32:00-FLR-001"},{"activityID":"2026-09-07T06:07:00-IPS-001"},{"activityID":"2026-09-08T15:50:00-RBE-001"}],"sentNotifications":[{"messageID":"20260905-AL-012","messageIssueTime":"2026-09-05T20:46Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48580/1"},{"messageID":"20260906-AL-001","messageIssueTime":"2026-09-06T00:07Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48581/1"},{"messageID":"20260906-AL-003","messageIssueTime":"2026-09-06T13:00Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48588/1"}]},{"activityID":"2026-09-05T22:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-05T22:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Narrow CME first seen to the ENE in SOHO LASCO C2 starting at 2026-09-05T22:00Z. It is also seen to the ENE in SOHO LASCO C3 and GOES CCOR-1 and to the NE in STEREO A COR2. The source of this CME is most likely a filament eruption near the E limb best seen in SDO AIA 304 starting around 2026-09-05T21:15Z.","submissionTime":"2026-09-06T00:46Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48582/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-06T02:10Z","latitude":20.0,"longitude":-59.0,"halfAngle":11.0,"speed":875.0,"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":null,"submissionTime":"2026-09-06T00:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48583/-1","enlilList":[{"modelCompletionTime":"2026-09-06T01:01Z","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/48584/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-09T00:00Z"}],"cmeIDs":["2026-09-05T22:00:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260906-AL-002","messageIssueTime":"2026-09-06T01:09Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48585/1"}]},{"activityID":"2026-09-06T07:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-06T07:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N12E34","activeRegionNum":14524,"note":"This CME is visible to the east in STEREO A COR2 imagery only. This event is not seen in SOHO LASCO C2/C3 or GOES CCOR-1 in real-time due to data gaps starting around 2026-09-06T03:30Z. The source is likely related to an eruption from Active Region 14524 (N12E34) starting around 2026-09-06T06:55Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 304 imagery.","submissionTime":"2026-09-15T22:13Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48589/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-06T14:18Z","latitude":5.0,"longitude":-34.0,"halfAngle":10.0,"speed":467.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measured longitude based on the source location. Due to a data gap in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, a triangulated measurement was not available. The measured parameters may vary slightly as a result.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.9,"submissionTime":"2026-09-06T15:41Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48590/-1","enlilList":[{"modelCompletionTime":"2026-09-06T16:05Z","au":2.0,"estimatedShockArrivalTime":"2026-09-08T18:41Z","estimatedDuration":27.0,"rmin_re":6.0,"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/48594/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-08T13:03Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-09T03:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-09T01:14Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-07T17:00Z"}],"cmeIDs":["2026-09-06T10:53:00-CME-001","2026-09-06T07:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260906-AL-004","messageIssueTime":"2026-09-06T16:15Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48595/1"}]},{"activityID":"2026-09-06T10:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-06T10:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N12E32","activeRegionNum":14524,"note":"This CME is visible to the east in STEREO A COR2 imagery only. This event is not seen in SOHO LASCO C2/C3 or GOES CCOR-1 in real-time due to data gaps starting around 2026-09-06T03:30Z. The source is an eruption and C5.0 flare from Active Region 14524 (N12E32) starting around 2026-09-06T10:36Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 304 imagery. An EUV wave and subsequent dimming is observed moving south of the eruption site, seen in SDO AIA 193 and GOES SUVI 195 imagery.","submissionTime":"2026-09-15T22:15Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48591/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-06T13:58Z","latitude":-6.0,"longitude":-32.0,"halfAngle":37.0,"speed":1085.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measured longitude based on the source location. Due to a data gap in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, a triangulated measurement was not available. The measured parameters may vary slightly as a result.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.0,"submissionTime":"2026-09-06T15:49Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48592/-1","enlilList":[{"modelCompletionTime":"2026-09-06T16:05Z","au":2.0,"estimatedShockArrivalTime":"2026-09-08T18:41Z","estimatedDuration":27.0,"rmin_re":6.0,"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/48594/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-08T13:03Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-09T03:09Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-09T01:14Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-07T17:00Z"}],"cmeIDs":["2026-09-06T10:53:00-CME-001","2026-09-06T07:38:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-06T10:31:00-FLR-001"}],"sentNotifications":[{"messageID":"20260906-AL-004","messageIssueTime":"2026-09-06T16:15Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48595/1"},{"messageID":"20260906-AL-006","messageIssueTime":"2026-09-06T19:25Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48597/1"}]},{"activityID":"2026-09-06T21:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-06T21:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Very faint feature seen only seen to the NE part way into the FOV of STEREO A COR2 after a data gap ending at 2026-09-06T21:53Z. A possible source candidate is a small amount of ejecta seen over the ENE limb in SDO AIA 304 beginning around 2026-09-06T18:35Z.","submissionTime":"2026-09-07T01:19Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48599/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-07T06:17Z","latitude":28.0,"longitude":null,"halfAngle":12.0,"speed":285.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph perspective and beyond-limb source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-07T01:20Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48600/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-07T01:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-07T01:48Z","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 east in SOHO LASCO C2/C3 and GOES CCOR-1 imagery, and to the west in STEREO A COR2 imagery. The source is far-sided and likely related to an opening of field lines visible over the eastern limb in SDO AIA 171/193 and GOES SUVI 171/195/284 imagery starting around 2026-09-07T00:50Z.","submissionTime":"2026-09-15T22:16Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48604/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-07T07:34Z","latitude":-8.0,"longitude":-132.0,"halfAngle":49.0,"speed":668.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C3 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":20.2,"submissionTime":"2026-09-07T13:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48605/-1","enlilList":[{"modelCompletionTime":"2026-09-07T14:13Z","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/48606/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-08T03:47Z"}],"cmeIDs":["2026-09-07T01:48:00-CME-001"]},{"modelCompletionTime":"2026-09-07T14:36Z","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/48607/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-08T03:25Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Lucy","arrivalTime":"2026-09-21T00:00Z"}],"cmeIDs":["2026-09-07T01:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260907-AL-002","messageIssueTime":"2026-09-07T15:35Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48608/1"}]},{"activityID":"2026-09-07T02:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-07T02:48Z","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 northwest in SOHO LASCO C2/C3, GOES CCOR-1 (partially obscured by the pylon), and STEREO A COR2 imagery. The source is a slow-to-lift-off filament eruption visible over the northwest limb in SDO AIA 171/304 and GOES SUVI 171/284/304 imagery starting around 2026-09-06T22:00Z. This same filament is visible lifting off north of disk center as seen in STEREO A EUVI 195/304 imagery.","submissionTime":"2026-09-07T16:00Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48609/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-07T16:33Z","latitude":41.0,"longitude":65.0,"halfAngle":25.0,"speed":291.0,"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":10.8,"submissionTime":"2026-09-07T16:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48610/-1","enlilList":[{"modelCompletionTime":"2026-09-07T16:20Z","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/48611/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-11T20:00Z"}],"cmeIDs":["2026-09-07T02:48:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-07T09:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-07T09:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"N12E22","activeRegionNum":14524,"note":"This CME is visible to the northeast in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source may be related to an eruption from Active Region 14524 (N12E22) starting around 2026-09-07T08:00Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery. Dimming is observed north of the eruption site in SDO AIA 193 imagery, with an opening of field lines visible over the northeast limb in STEREO A EUVI 195 imagery, indicating northern deflection.","submissionTime":"2026-09-07T16:29Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48612/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-07T18:20Z","latitude":35.0,"longitude":-18.0,"halfAngle":18.0,"speed":352.0,"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":9.8,"submissionTime":"2026-09-07T16:31Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48613/-1","enlilList":[{"modelCompletionTime":"2026-09-07T16:45Z","au":2.0,"estimatedShockArrivalTime":"2026-09-11T12:00Z","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/48615/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-11T23:00Z"}],"cmeIDs":["2026-09-07T09:23:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-08T13:59:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-08T13:59Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N10W35","activeRegionNum":14521,"note":"This CME is visible to the west in SOHO LASCO C2 and GOES CCOR-1, and to the east in STEREO A COR2 imagery. The source is a C2.4 flare from Active Region 14521 (N10W35) starting around 2026-09-08T12:19Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery.","submissionTime":"2026-09-15T22:48Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48622/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-08T21:47Z","latitude":19.0,"longitude":35.0,"halfAngle":21.0,"speed":365.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the source location and best fit between SOHO LASCO C2 and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.4,"submissionTime":"2026-09-08T17:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48623/-1","enlilList":[{"modelCompletionTime":"2026-09-08T18:04Z","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/48624/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-10T12:33Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-11T23:00Z"}],"cmeIDs":["2026-09-08T13:59:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-08T12:19:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-09-09T07:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T07:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow CME visible to the NW in SOHO LASCO C2, C3, and STEREO A COR2 imagery. It is not clearly seen in available GOES CCOR-1 imagery. The source of this CME appears to be a filament eruption best seen in STEREO A EUVI 304 and 195 as well as GOES SUVI 304 starting around 2026-09-09T06:52Z. There is a dimming signature visible in STEREO A EUVI 195 that appears to \"pinch\" towards the filament before it lifts off.","submissionTime":"2026-09-09T19:20Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48634/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T01:03Z","latitude":50.0,"longitude":88.0,"halfAngle":19.0,"speed":223.0,"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":7.4,"submissionTime":"2026-09-09T19:21Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48635/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-09T10:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T10:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N15W05","activeRegionNum":14524,"note":"This CME is faintly seen to the East in STEREO A COR2 imagery. It appears to be associated with a C3.4 flare (caught in GOES-S) peaking at 2026-09-09T09:08Z (occurs during an eclipse in GOES-P) from AR 14524 (N15W05). This CME is very slow and not clearly seen in the SOHO LASCO C2/C3 or GOES CCOR-1 imagery. There is a simultaneous CME visible to the East in SOHO LASCO C2 around the same time, however this CME is believed to be associated with a slow farsided filament eruption and is not the same CME feature seen in STEREO A that is associated with this entry.","submissionTime":"2026-09-09T19:35Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48630/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T02:47Z","latitude":5.0,"longitude":5.0,"halfAngle":39.0,"speed":207.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on potential source location and best fit in STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.1,"submissionTime":"2026-09-09T19:08Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48631/-1","enlilList":[]}],"linkedEvents":[{"activityID":"2026-09-09T08:48:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-09-09T10:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T10:36Z","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 East in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A imagery. The source of this CME appears to be a long-duration filament eruption visible along the E/SE limb in GOES SUVI 304 and 284 imagery starting around 2026-09-09T06:30Z with liftoff around 2026-09-09T10:36Z. Moving/opening field lines are visible with some apparent deflection towards the north as it progresses out of the field of view in GOES SUVI 284. The CME also exhibits a small deflection towards the north as it progresses outward in the SOHO LASCO field of view. There is a simultaneous CME visible to the East in STEREO A COR2 around the same start time, however this CME is believed to be associated with a C-class flare and is not the same CME feature seen in SOHO LASCO C2 that is associated with this entry. The CME is visible in later frames in STEREO A as a wider feature.","submissionTime":"2026-09-09T19:15Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48632/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-09T23:40Z","latitude":-2.0,"longitude":-100.0,"halfAngle":34.0,"speed":308.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Parameters based on best fit using SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.2,"submissionTime":"2026-09-09T19:14Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48633/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-09T16:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T16:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Wide, faint CME visible to the SW in SOHO LASCO C2/C3 and GOES CCOR-1 imagery. The CME is also visible to the SE in STEREO A COR2 imagery, and overlaps in the field of view with CME: 2026-09-09T16:09Z. The potential source is unclear, but may be brightening and field line movement seen in the vicinity of AR 14521 (N09W48) beginning at approx. 2026-09-09T14:30Z as seen in SDO AIA 193.","submissionTime":"2026-09-11T15:21Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48660/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T04:39Z","latitude":1.0,"longitude":29.0,"halfAngle":35.0,"speed":282.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery in SWPC_CAT. Preliminary measurements of this CME measured less than 200 km/s. This measurement uses additional coronagraph imagery.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":11.0,"submissionTime":"2026-09-11T15:22Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48661/-1","enlilList":[{"modelCompletionTime":"2026-09-11T15:38Z","au":2.0,"estimatedShockArrivalTime":"2026-09-13T23:00Z","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/48664/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-12T02:58Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-14T07:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-13T14:00Z"}],"cmeIDs":["2026-09-09T16:00:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-14T09:24:00-IPS-001"}],"sentNotifications":null},{"activityID":"2026-09-09T16:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T16:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Slow, wide CME visible as a partial halo to the east in STEREO A COR2. Also visible to the east in SOHO LASCO C2/C3 and STEREO A COR2. The source of this event is likely field line opening and brightening seen along the East limb in GOES SUVI 284 beginning at approximately 2026-09-09T15:00Z.","submissionTime":"2026-09-11T12:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48656/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T06:44Z","latitude":-12.0,"longitude":-90.0,"halfAngle":44.0,"speed":228.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 in SWPC_CAT as well as potential source location.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.1,"submissionTime":"2026-09-11T12:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48657/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-09T21:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-09T21:45Z","instruments":[{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to East by GOES CCOR-1 beginning at 2026-09-09T21:45Z. This event is not seen in SOHO LASCO C2/C3 due to a data gap beginning at 2026-09-09T22:24Z or in STEREO A COR2 due to a data gap beginning at 2026-09-09T21:23Z. The source of this event is field line opening seen along the SE limb in GOES SUVI 284 beginning at approx. 2026-09-09T21:00Z.","submissionTime":"2026-09-09T23:59Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48638/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T03:30Z","latitude":-16.0,"longitude":null,"halfAngle":36.0,"speed":510.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of E90 due to source on or beyond the East limb and lack of coronagraph imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.9,"submissionTime":"2026-09-10T00:00Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48639/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-10T05:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-10T05:24Z","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 SW in SOHO LASCO C2, C3, GOES CCOR-1, and to the SE in STEREO A COR2 imagery. The potential source is a filament eruption located around W30 to W50 stretching between longitudes S10 to S20 based on SDO/AIA 193 imagery. This eruption starts around 2026-09-10T03:00Z with filament liftoff around 2026-09-10T04:00Z as seen in SDO/AIA 193 and 304. Dimming is also visible to SDO/AIA 193.","submissionTime":"2026-09-16T20:50Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48642/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-10T20:45Z","latitude":-22.0,"longitude":49.0,"halfAngle":23.0,"speed":231.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"StereoCAT","note":"Parameters based on best fit using SOHO LASCO C2 white-light and STEREO A COR2 difference imagery in StereoCAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-10T18:17Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48643/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-10T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-10T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Bright loop CME first seen to the NW by SOHO LASCO C2 beginning at 2026-09-10T20:12Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This CME is not visible in GOES CCOR-1 as it is obscured by the pylon. The source of this event is a filament eruption seen near N50W120 in STEREO A EUVI 304, as well as to the NNW by GOES SUVI 304 beginning at approx. 2026-09-10T19:15Z. Field line opening is also visible in SDO AIA 171 and GOES SUVI 284.","submissionTime":"2026-09-11T01:39Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48644/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T02:59Z","latitude":51.0,"longitude":122.0,"halfAngle":40.0,"speed":554.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Updated measurement based on approximate source location and best fit in STEREO A COR2 and SOHO LASCO C2/C3.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":13.3,"submissionTime":"2026-09-11T01:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48650/-1","enlilList":[{"modelCompletionTime":"2026-09-11T01:53Z","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/48651/-1","impactList":null,"cmeIDs":["2026-09-10T20:12:00-CME-001"]},{"modelCompletionTime":"2026-09-11T02:10Z","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/48662/-1","impactList":null,"cmeIDs":["2026-09-10T20:12:00-CME-001"]}]},{"isMostAccurate":false,"time21_5":"2026-09-11T00:48Z","latitude":22.0,"longitude":159.0,"halfAngle":31.0,"speed":775.0,"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.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.3,"submissionTime":"2026-09-10T22:18Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48645/-1","enlilList":[{"modelCompletionTime":"2026-09-10T22:33Z","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/48646/-1","impactList":null,"cmeIDs":["2026-09-10T20:12:00-CME-001"]},{"modelCompletionTime":"2026-09-10T22:57Z","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/48647/-1","impactList":null,"cmeIDs":["2026-09-10T20:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-10T23:30:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-10T23:30Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME faintly seen to the SE in GOES CCOR-1 and possibly faintly in STEREO A COR2. The CME is not clearly visible in SOHO LASCO C2 and may be obscured by the pylon in SOHO LASCO C3. The potential source may be field line movement seen near the SE limb in GOES SUVI 284 imagery starting around 2026-09-10T20:04Z.","submissionTime":"2026-09-16T20:53Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48658/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T09:26Z","latitude":-48.0,"longitude":-86.0,"halfAngle":26.0,"speed":305.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on the best fit between GOES CCOR-1 and STEREO A COR2 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-09-11T13:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48659/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-10T23:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-10T23:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the NNW beginning at 2026-09-10T23:36Z, as well as by STEREO A COR2 in later frames. This CME is obscured by the pylon in GOES CCOR-1. The source of this event is faint field line movement seen along the SW limb in SDO AIA 171 beginning at approx. 2026-09-10T23:00Z.","submissionTime":"2026-09-11T01:28Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48648/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T07:03Z","latitude":57.0,"longitude":92.0,"halfAngle":28.0,"speed":464.0,"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 STEREO A COR2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.7,"submissionTime":"2026-09-11T01:29Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48649/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T02:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T02:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME seen to the southwest in SOHO LASCO C2/C3. The CME is not clearly visible in STEREO A COR2. The CME is not seen in GOES CCOR-1 imagery due to Earthshine. The source is not clear.","submissionTime":"2026-09-11T16:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48665/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T10:51Z","latitude":-24.0,"longitude":null,"halfAngle":25.0,"speed":404.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using SOHO LASCO C2/C3 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.3,"submissionTime":"2026-09-11T16:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48666/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T05:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T05:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the NW in SOHO LASCO C2/C3 and STEREO A COR2. The CME is not visible in GOES CCOR-1 due to Earthshine. The potential source may be an eruption seen near the NW limb from the point of view of STEREO A EUV 195 around 2026-09-11T02:55Z as post-eruption arcades.","submissionTime":"2026-09-11T12:03Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48652/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T12:19Z","latitude":55.0,"longitude":134.0,"halfAngle":20.0,"speed":549.0,"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 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.6,"submissionTime":"2026-09-11T12:04Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48653/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T06:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T06:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the NW in SOHO LASCO C2/C3 and STEREO A COR2. The CME is not visible in GOES CCOR-1 due to Earthshine. The potential source may be near the NW limb as seen from STEREO A EUV 195 imagery. A possible eruption with moving field lines can be seen around 2026-09-11T04:25Z. The CME overlaps in the field of view with the CME first seen in SOHO LASCO C2 at 2026-09-11T05:36Z.","submissionTime":"2026-09-11T12:08Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48654/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-11T15:19Z","latitude":66.0,"longitude":129.0,"halfAngle":16.0,"speed":391.0,"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 in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.6,"submissionTime":"2026-09-11T12:08Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48655/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T14:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T14:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the NW in SOHO LASCO C2/C3. The CME is obscured by the pylon in GOES CCOR-1 imagery and is not clearly visible in STEREO A COR2. The potential source may be an eruption from AR 14521 (N09W77) in SDO AIA 193 starting around 2026-09-11T11:52Z, best seen as moving field lines.","submissionTime":"2026-09-11T18:45Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48668/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T01:10Z","latitude":49.0,"longitude":75.0,"halfAngle":27.0,"speed":309.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on source location using SOHO LASCO C2/C3 imagery only.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.8,"submissionTime":"2026-09-11T18:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48669/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T16:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T16:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow CME first seen to the SE by SOHO LASCO C2 beginning at 2026-09-11T16:12Z, as well as by STEREO A COR2 and GOES CCOR-1 in later frames. This CME is obscured by the pylon in SOHO LASCO C3. The source of this event is a very minor filament eruption seen along the SE limb in SDO AIA 304 beginning at approx. 2026-09-11T15:00Z.","submissionTime":"2026-09-16T20:58Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48671/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T02:15Z","latitude":-39.0,"longitude":-80.0,"halfAngle":10.0,"speed":340.0,"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":10.5,"submissionTime":"2026-09-11T20:57Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48672/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T17:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T17:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the NW by SOHO LASCO C2 beginning at 2026-09-11T17:12Z, as well as by SOHO LASCO C3 in later frames. This CME is too faint to be seen in STEREO A COR2 and is obscured by the pylon in GOES CCOR-1. The source of this event is faint field line movement seen beyond the NW limb in SDO AIA 171 beginning at approx. 2026-09-11T15:48Z.","submissionTime":"2026-09-11T23:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48673/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T01:51Z","latitude":48.0,"longitude":null,"halfAngle":28.0,"speed":428.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of W90 due to likely far sided source and lack of STEREO A imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.7,"submissionTime":"2026-09-11T23:05Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48674/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-11T23:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-11T23:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the NNW by SOHO LASCO C2 beginning at 2026-09-11T23:12Z. The source of this event is a small breaking of a prominence along the NNW limb along with faint field line opening seen in GOES SUVI 284 and 304 beginning at approx. 2026-09-11T22:50Z.","submissionTime":"2026-09-12T01:32Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48675/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T09:20Z","latitude":69.0,"longitude":null,"halfAngle":10.0,"speed":350.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky using a longitude of W90 due to source beyond the NNW limb and lack of STEREO A imagery to triangulate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":4.5,"submissionTime":"2026-09-12T01:33Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48676/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-12T01:26:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-12T01:26Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Slow, narrow feature first seen to the NNW in SOHO LASCO C2. Is it only seen in SOHO LASCO C2 and fades before leaving the FOV of SOHO LASCO C2. The source is possibly related to some rising filamentary structures best seen in GOES SUVI 304. This activity begins several hours prior to the CME start time and persists after.","submissionTime":"2026-09-12T16:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48679/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T14:42Z","latitude":66.0,"longitude":null,"halfAngle":10.0,"speed":268.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph view and on/beyond limb source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-12T16:28Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48680/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-12T08:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-12T08:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME first seen to the WSW in STEREO A COR2 starting at 2026-09-12T08:38Z. This feature is only seen in STEREO A COR2. No good source candidate can be seen in SDO AIA or STA EUVI, so the source is most likely far-sided.","submissionTime":"2026-09-12T16:05Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48677/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-12T18:23Z","latitude":-17.0,"longitude":null,"halfAngle":13.0,"speed":337.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen do to single coronagraph viewpoint and lack of source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-12T16:06Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48678/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-13T01:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-13T01:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the W in SOHO LASCO C2 starting at 2026-09-13T01:24Z. It is also seen to the W in SOHO LASCO C3. This CME is mostly obscured by Earthshine in GOES CCOR-1 and is not seen in STEREO A COR2. There is no definitive source candidate, but the source may be related to some minor activity in a filament structure over the W limb best seen in GOES SUVI 304 beginning around 2026-09-13T22:30Z.","submissionTime":"2026-09-13T14:14Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48683/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-13T10:52Z","latitude":-7.0,"longitude":null,"halfAngle":19.0,"speed":403.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph view and uncertain, near-limb source candidate.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-13T14:15Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48684/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-13T07:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-13T07:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Very narrow CME first seen to the SW in SOHO LASCO C2 starting around 2026-09-13T07:48Z. It is first seen part way into the FOV of SOHO LASCO C2 and is also seen in SOHO LASCO C3 and GOES CCOR-1 but not in STEREO A COR2. The source may be related to minor field line movement beyond the SW limb best seen in SDO AIA 171 beginning around 2026-09-13T06:00Z.","submissionTime":"2026-09-13T18:26Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48688/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-13T18:48Z","latitude":-28.0,"longitude":null,"halfAngle":10.0,"speed":319.0,"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 triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-13T18:27Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48689/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-13T10:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-13T10:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"CME first seen to the W in STEREO A COR2 starting at 2026-09-13T10:23Z and fades before leaving the FOV of STEREO A COR2. This feature is not see in SOHO LASCO C2/C3 or in GOES CCOR-1. The source is likely related to field line movement seen beyond the WNW limb in STA EUVI 195 beginning after 2026-09-13T08:00Z.","submissionTime":"2026-09-13T15:54Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48685/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-13T22:12Z","latitude":0.0,"longitude":null,"halfAngle":22.0,"speed":295.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane-of-sky measurement chosen due to single coronagraph view and beyond-limb source.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-13T15:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48686/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-13T19:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-13T19:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S10W10","activeRegionNum":null,"note":"CME first seen to the West by SOHO LASCO C2 beginning at 2026-09-13T19:48Z, as well as by SOHO LASCO C3 and GOES CCOR-1. This CME is not seen in STEREO A COR2 due to a data gap beginning at 2026-09-13T19:23Z. The source of this event is a center disk filament eruption beginning at approx. 2026-09-13T18:48Z best seen in SDO AIA and STEREO A COR2 304, centered at approx. S10W10. This filament appears to be deflected towards the NW, which is supported by dimming seen moving towards the NW, expanding to approx. N10W30 as seen in SDO AIA 193. This eruption is close to a large coronal hole which may contribute to the deflection.","submissionTime":"2026-09-13T23:55Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48690/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-13T22:26Z","latitude":12.0,"longitude":39.0,"halfAngle":23.0,"speed":1305.0,"type":"O","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"BULK 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":12.2,"submissionTime":"2026-09-13T21:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48691/-1","enlilList":[{"modelCompletionTime":"2026-09-13T22:09Z","au":2.0,"estimatedShockArrivalTime":"2026-09-16T12:00Z","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/48693/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-14T21:39Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-16T17:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-19T04:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-16T11:00Z"}],"cmeIDs":["2026-09-13T19:48:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-09-13T21:50Z","latitude":9.0,"longitude":39.0,"halfAngle":26.0,"speed":1586.0,"type":"O","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SHOCK 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":19.4,"submissionTime":"2026-09-13T22:38Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48695/-1","enlilList":[{"modelCompletionTime":"2026-09-13T22:52Z","au":2.0,"estimatedShockArrivalTime":"2026-09-16T07:39Z","estimatedDuration":101.2,"rmin_re":6.4,"kp_18":null,"kp_90":3,"kp_135":4,"kp_180":5,"isEarthGB":false,"isEarthMinorImpact":false,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/WSA-ENLIL/48697/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-16T13:06Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-14T18:01Z"},{"isGlancingBlow":false,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-16T03:16Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-17T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-19T03:00Z"}],"cmeIDs":["2026-09-13T19:48:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-15T11:28:00-IPS-001"}],"sentNotifications":[{"messageID":"20260913-AL-001","messageIssueTime":"2026-09-13T21:54Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48692/1"},{"messageID":"20260913-AL-002","messageIssueTime":"2026-09-13T22:32Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48694/1"},{"messageID":"20260913-AL-003","messageIssueTime":"2026-09-13T22:46Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48696/1"}]},{"activityID":"2026-09-13T21:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-13T21:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S10W10","activeRegionNum":null,"note":"Faint CME first seen to the West by SOHO LASCO C2 beginning at 2026-09-13T21:12Z, 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 2026-09-13T19:23Z. The source of this CME is likely outflow following an earlier filament eruption beginning at 2026-09-13T18:48Z centered at approx. S10W10 as seen in SDO AIA 193 and 304. This CME is likely deflected to the NW due to proximity to a large coronal hole.","submissionTime":"2026-09-14T00:07Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48698/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-14T01:59Z","latitude":1.0,"longitude":39.0,"halfAngle":22.0,"speed":645.0,"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":11.4,"submissionTime":"2026-09-14T00:08Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48699/-1","enlilList":[{"modelCompletionTime":"2026-09-14T00:23Z","au":2.0,"estimatedShockArrivalTime":"2026-09-17T12:00Z","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/48700/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-15T13:02Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-17T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-20T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-17T04:00Z"}],"cmeIDs":["2026-09-13T21:12:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-17T01:24:00-IPS-001"}],"sentNotifications":[{"messageID":"20260914-AL-001","messageIssueTime":"2026-09-14T00:31Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48701/1"}]},{"activityID":"2026-09-14T11:08:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-14T11:08Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"S11W38","activeRegionNum":14528,"note":"CME first seen to the E in STEREO A COR2 starting at 2026-09-14T11:08Z. It is also seen to the W in GOES CCOR-1. This CME is covered by a data gap in SOHO LASCO C2/C3 in real time. The source of this CME is an eruption centered around AR 14528 (S11W38) best seen in GOES SUVI 284 beginning around 2026-09-14T10:00Z. Field line movement can be seen accompanied by brightening and ejecta. Post-eruptive arcades can also be seen in SDO AIA 193. There seems to be a northwestward deflection from the location of the source. There are two large coronal holes (a northern and a southern one) nearby, possibly responsible for this deflection.","submissionTime":"2026-09-15T07:56Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48702/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-14T15:34Z","latitude":3.0,"longitude":40.0,"halfAngle":24.0,"speed":744.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit of the brighter, likely bulk, front following the fainter shock in STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":12.0,"submissionTime":"2026-09-14T14:59Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48703/-1","enlilList":[{"modelCompletionTime":"2026-09-14T14:04Z","au":2.0,"estimatedShockArrivalTime":"2026-09-17T09:30Z","estimatedDuration":null,"rmin_re":2.0,"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/48705/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-15T22:52Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-17T13:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-20T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-17T14:00Z"}],"cmeIDs":["2026-09-14T11:08:00-CME-001"]}]},{"isMostAccurate":true,"time21_5":"2026-09-14T14:28Z","latitude":6.0,"longitude":39.0,"halfAngle":22.0,"speed":897.0,"type":"C","featureCode":"SH","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Measurement based on approximate source location and best fit of the faint earliest front in STEREO A COR2 and GOES CCOR-1.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.0,"submissionTime":"2026-09-14T13:55Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48704/-1","enlilList":[{"modelCompletionTime":"2026-09-14T15:32Z","au":2.0,"estimatedShockArrivalTime":"2026-09-17T06:00Z","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/48706/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-15T19:07Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Juice","arrivalTime":"2026-09-17T10:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-20T07:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-17T11:30Z"}],"cmeIDs":["2026-09-14T11:08:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-17T01:24:00-IPS-001"},{"activityID":"2026-09-17T15:10:00-IPS-001"}],"sentNotifications":[{"messageID":"20260914-AL-002","messageIssueTime":"2026-09-14T16:02Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48707/1"}]},{"activityID":"2026-09-14T17:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-14T17:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed to the NW in SOHO LASCO C2/C3 and GOES CCOR-1, likely not observed in STEREO A COR2 either due to faintness or a data gap starting at 2026-09-14T18:53Z before it becomes visible. The source is far-sided over the NW limb, observed in SDO AIA 171/193 starting around 2026-09-17T15:48Z as slow, wide field line movement. More directly observed in STEREO A EUVI 195/304 starting as early as 2026-09-14T14:55Z, as brightening and dimming centered around an estimated N30W115 in the NW disk near former Active Regions 14523 and 14521.","submissionTime":"2026-09-14T22:22Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48713/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-15T01:47Z","latitude":39.0,"longitude":115.0,"halfAngle":19.0,"speed":461.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"SOHO LASCO C2/C3 only 3D analysis, using W115 as the approximate observed source in STEREO A EUVI, as STEREO A COR2 does not observe the CME in real-time for triangulation.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-09-14T22:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48714/-1","enlilList":[{"modelCompletionTime":"2026-09-14T22:40Z","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/48715/-1","impactList":null,"cmeIDs":["2026-09-14T17:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-15T08:36:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-15T08:36Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"","activeRegionNum":null,"note":"Very faint CME with an unclear front seen to the NE in early images of SOHO LASCO C2 only. It is not seen in SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1, likely because of its faintness. No source for this feature has been found in EUV imagery.","submissionTime":"2026-09-22T17:19Z","versionId":3,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48718/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-15T17:26Z","latitude":45.0,"longitude":null,"halfAngle":16.0,"speed":395.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement using SOHO LASCO C2 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":6.0,"submissionTime":"2026-09-15T19:02Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48719/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-18T03:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-18T03:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME visible to the NE in SOHO LASCO C2/C3. The CME is also faintly visible to the NE in GOES CCOR-1 following a data gap due to Earthshine from 2026-09-18T03:45Z to 2026-09-18T06:10Z. The CME is not visible in STEREO A COR2 imagery. The source is beyond the NE limb and is seen as moving field lines starting at 2026-09-18T02:35Z in GOES SUVI 284 and SDO AIA 171/193 imagery.","submissionTime":"2026-09-18T11:47Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48726/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-18T13:29Z","latitude":17.0,"longitude":null,"halfAngle":41.0,"speed":371.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"Plane of sky measurement based on SOHO LASCO C2/C3 running difference imagery in SWPC_CAT.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":7.8,"submissionTime":"2026-09-18T11:48Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48727/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-19T16:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-19T16:38Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint, narrow CME seen to the SW in SOHO LASCO C2 and STEREO A COR2 and very faintly seen in a couple of frames of GOES CCOR-1 coronagraph imagery. The CME is not seen in SOHO LASCO C3. Its source is likely seen in STEREO A EUV 304 imagery as a large ejecta off the W limb after 2026-09-19T15Z and not seen in any other EUV imagery. The ejecta is not clearly visible, and it's exact location/longitude is unclear, but it seems to be close to the limb (which would be ~159 deg).","submissionTime":"2026-09-22T17:20Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48735/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-19T21:18Z","latitude":-24.0,"longitude":142.0,"halfAngle":10.0,"speed":729.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Approximate analysis based exclusively on the fit of the narrow front in two coronagraphs (SOHO LASCO C2 and STEREO A COR2); longitude of 143 deg seems to be the highest longitude allowing the fit. This analysis is partially confirmed by the possible source - a lifting filament seen in STEREO A EUV 304 close to the west limb as seen from STEREO A (close to 159 degrees).","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":8.0,"submissionTime":"2026-09-20T00:29Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48736/-1","enlilList":[{"modelCompletionTime":"2026-09-20T00:40Z","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/48737/-1","impactList":null,"cmeIDs":["2026-09-19T16:38:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-19T18:48:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-19T18:48Z","instruments":[{"displayName":"SOHO: LASCO/C2"}],"sourceLocation":"N14E90","activeRegionNum":null,"note":"Faint, minor CME with an unclear front seen to the E-NE in SOHO LASCO C2. Not seen in other coronagraphs. Its source is the long duration C3.3 class flare from unnumbered AR rotating onto disk (N14E90) peaking at 2026-09-19T18:17Z. There is also an associated opening of field lines on/behind the E limb seen in SDO AIA 193 and a minor prominence/ejecta seen in SDO AIA 304/171 starting after 2026-09-19T18:10Z. The initial front is followed by a series of outflows.","submissionTime":"2026-09-20T01:56Z","versionId":4,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48731/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T06:14Z","latitude":16.0,"longitude":-90.0,"halfAngle":45.0,"speed":321.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Somewhat speculative analysis based on SOHO LASCO C2 imagery and on the very approximate location of the AR rotating onto the visible disk and seen on/behind the east limb in SDO AIA 193/304.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":null,"submissionTime":"2026-09-19T21:30Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48732/-1","enlilList":[{"modelCompletionTime":"2026-09-19T22:02Z","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/48734/-1","impactList":[{"isGlancingBlow":false,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-21T16:46Z"},{"isGlancingBlow":false,"isMinorImpact":true,"location":"Parker Solar Probe","arrivalTime":"2026-09-22T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Europa Clipper","arrivalTime":"2026-09-23T13:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"OSIRIS-APEX","arrivalTime":"2026-09-24T04:00Z"}],"cmeIDs":["2026-09-19T18:48:00-CME-001"]}]}],"linkedEvents":[{"activityID":"2026-09-19T17:57:00-FLR-001"}],"sentNotifications":null},{"activityID":"2026-09-19T22:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-19T22:12Z","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 NW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The source is a far-sided filament eruption over the NW limb, observed best in GOES 284/304 starting around 2026-09-19T21:22Z. When STEREO A EUVI 304/195 return from a data gap at 2026-09-20T00:15Z and 2026-09-20T00:25 respectively, dimming and post eruptive brightening can be seen in the NW disk, likely left behind by this filament eruption.","submissionTime":"2026-09-20T17:27Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48741/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T09:06Z","latitude":31.0,"longitude":156.0,"halfAngle":41.0,"speed":331.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C3 and STEREO A COR2. The front appears more wide in COR2 than C3, as such COR2's width is used.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-09-20T17:28Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48742/-1","enlilList":[{"modelCompletionTime":"2026-09-20T17:42Z","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/48743/-1","impactList":null,"cmeIDs":["2026-09-19T22:12:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-19T22:24:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-19T22:24Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"CME observed brightly to the SW in STEREO A COR2, and very faintly to the SE in SOHO LASCO C2/C3 and GOES CCOR-1. No source is seen in on-disk EUV imagery for this event, and is likely far-sided.","submissionTime":"2026-09-20T16:49Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48738/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T07:19Z","latitude":-17.0,"longitude":-169.0,"halfAngle":23.0,"speed":341.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between STEREO A COR2 and SOHO LASCO C2.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":14.3,"submissionTime":"2026-09-20T16:50Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48739/-1","enlilList":[{"modelCompletionTime":"2026-09-20T17:05Z","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/48740/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"BepiColombo","arrivalTime":"2026-09-21T20:00Z"}],"cmeIDs":["2026-09-19T22:24:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-20T03:00:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-20T03:00Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NE in SOHO LASCO C2/C3 and GOES CCOR-1, better seen the further into the field-of-view it travels than early C2. No definitive EUV source is observed, and may be far-sided or outflow following prior CME: 2026-09-19T18:48Z.","submissionTime":"2026-09-20T19:36Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48745/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T17:28Z","latitude":20.0,"longitude":null,"halfAngle":13.0,"speed":273.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C3 only plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.6,"submissionTime":"2026-09-20T19:37Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48746/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-20T05:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-20T05:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NW in SOHO LASCO C2/C3 and GOES CCOR-1, not observed in STEREO A COR2. No distinct source is observed for this CME, but could be related to field line movement over the NW limb starting as early as ~2026-09-20T01:48Z in SDO AIA 171.","submissionTime":"2026-09-20T19:40Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48747/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T11:03Z","latitude":40.0,"longitude":null,"halfAngle":10.0,"speed":593.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2/C3 plane-of-sky. The CME is less than 10 half-width and deflected northward, making it difficult to track the proper CME front travel with swpc_cat.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-09-20T19:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48748/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-20T12:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-20T12:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the W only in STEREO A COR2. No distinct source is observed in available EUV imagery.","submissionTime":"2026-09-22T17:24Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48749/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-20T20:21Z","latitude":3.0,"longitude":null,"halfAngle":12.0,"speed":427.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A COR2 plane-of-sky taken at W159.6, with STEREO A located at W69.9.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.9,"submissionTime":"2026-09-20T19:46Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48750/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-20T20:12:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-20T20:12Z","instruments":[{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NW in SOHO LASCO C2/C3. The CME is not visible in STEREO A COR2 (may be too faint) or GOES CCOR-1 (likely pylon obscured). No distinct EUV source is observed for this CME.","submissionTime":"2026-09-22T17:25Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48768/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-21T09:55Z","latitude":55.0,"longitude":null,"halfAngle":17.0,"speed":277.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"SOHO LASCO C2/C3 plane-of-sky.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.7,"submissionTime":"2026-09-21T18:26Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48769/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-20T22:38:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-20T22:38Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NW in STEREO A COR2 and SOHO LASCO C2/C3, not in GOES CCOR-1 as it is likely obscured by the pylon. The only potential source is a slow brightening on the NW disk of STEREO A EUVI 195 starting around 2026-09-20T18:55Z.","submissionTime":"2026-09-22T17:26Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48771/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-21T09:16Z","latitude":24.0,"longitude":156.0,"halfAngle":14.0,"speed":318.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"Triangulation between SOHO LASCO C2 and STEREO A COR2, very faint in LASCO but trackable.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":10.5,"submissionTime":"2026-09-21T18:45Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48772/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-21T09:09:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-21T09:09Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"},{"displayName":"SOHO: LASCO/C2"},{"displayName":"SOHO: LASCO/C3"},{"displayName":"GOES: CCOR-1"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the NW in STEREO A COR2 and SOHO LASCO C2/C3, largely blocked by the pylon in GOES CCOR-1. The source is unclear, with a potential far-sided source on the STEREO A EUVI 195/304 west limb observed as brightening and field line movement starting around 2026-09-21T09:05Z, very close to the CME start time however. There are two additional field line movements near the NW limb in SDO AIA 171 starting around 2026-09-21T03:03Z and 2026-09-21T05:54Z, however these eruptions may be too early to be associated with this CME. Triangulation of the leading edge suggests the CME is far-sided.","submissionTime":"2026-09-22T11:13Z","versionId":2,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48760/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-21T18:19Z","latitude":49.0,"longitude":148.0,"halfAngle":12.0,"speed":347.0,"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":13.3,"submissionTime":"2026-09-21T17:10Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48761/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-24T02:53:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-24T02:53Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"N03W32","activeRegionNum":14536,"note":"CME observed to the E only in STEREO A COR2, likely due to the occulting disk in other coronagraphs and/or faint leading edge. The start time of 2026-09-24T02:53Z in white light is later than first observation at 2026-09-24T01:38Z in running difference imagery due to the bright streamer overlap. The source may be an eruption from AR 14536 centered around N03W32, observed as slow dimming, brightening, and field line movement in SDO AIA 171/193 starting around 2026-09-23T21:06Z. In STEREO A COR2, there is a faint leading edge observed already far in the east field-of-view after a data gap ends at 2026-09-24T01:23Z that better corresponds to this eruption time, but also plausible to match this leading edge.","submissionTime":"2026-09-24T13:39Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48790/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-24T07:31Z","latitude":-3.0,"longitude":32.0,"halfAngle":10.0,"speed":500.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"STEREO A COR2 only analysis using the source N03W32 as a basis, as such the parameters could vary. In STEREO A COR2, there is a faint leading edge observed already far in the east field-of-view after a data gap ends at 2026-09-24T01:23Z that better corresponds to te eruption time, but also plausible to match this leading edge.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":17.4,"submissionTime":"2026-09-24T13:42Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48791/-1","enlilList":[{"modelCompletionTime":"2026-09-24T13:57Z","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/48792/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Solar Orbiter","arrivalTime":"2026-09-26T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-27T01:00Z"}],"cmeIDs":["2026-09-24T02:53:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":[{"messageID":"20260924-AL-001","messageIssueTime":"2026-09-24T14:50Z","messageURL":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/Alert/48793/1"}]},{"activityID":"2026-09-24T09:23:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-24T09:23Z","instruments":[{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"","activeRegionNum":null,"note":"Faint CME observed to the SW only in STEREO A COR2, may be due to faintness or the occulting disk in other coronagraphs. No EUV source is observed for this front.","submissionTime":"2026-09-24T16:46Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48794/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-24T14:46Z","latitude":-17.0,"longitude":null,"halfAngle":10.0,"speed":618.0,"type":"C","featureCode":"LE","imageType":"running difference","measurementTechnique":"Plane-of-sky","note":"STEREO A COR2 plane-of-sky given the unknown, likely far-sided, source; taken at W159.8 with STEREO A currently at W69.8.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":5.9,"submissionTime":"2026-09-24T16:47Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48795/-1","enlilList":[]}],"linkedEvents":null,"sentNotifications":null},{"activityID":"2026-09-24T14:45:00-CME-001","catalog":"M2M_CATALOG","startTime":"2026-09-24T14:45Z","instruments":[{"displayName":"GOES: CCOR-1"},{"displayName":"STEREO A: SECCHI/COR2"}],"sourceLocation":"S35W70","activeRegionNum":null,"note":"CME observed to the SW in GOES CCOR-1 and S in STEREO A COR2, overlapping with a slow, wide streamer blowout beginning ~2026-09-23T20:12Z (itself measuring ~176 km/s). Not observed in SOHO LASCO C2/C3 due to a real-time data gap. The source is field line movement and small shifting of a coronal hole boundary best observed only in GOES SUVI 284 starting ~2026-09-24T14:02Z, tracing on-disk around S35W70 in proximity to a large southern coronal hole.","submissionTime":"2026-09-24T17:37Z","versionId":1,"link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CME/48797/-1","cmeAnalyses":[{"isMostAccurate":true,"time21_5":"2026-09-24T21:21Z","latitude":-32.0,"longitude":76.0,"halfAngle":29.0,"speed":493.0,"type":"S","featureCode":"LE","imageType":"running difference","measurementTechnique":"SWPC_CAT","note":"GOES CCOR-1 and STEREO A COR2 triangulation, full width and leading edge somewhat obscured by this front's overlap with the preceeding streamer blowout.","levelOfData":0,"tilt":null,"minorHalfWidth":null,"speedMeasuredAtHeight":9.4,"submissionTime":"2026-09-24T17:40Z","link":"https://webtools.ccmc.gsfc.nasa.gov/DONKI/view/CMEAnalysis/48798/-1","enlilList":[{"modelCompletionTime":"2026-09-24T17:53Z","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/48799/-1","impactList":[{"isGlancingBlow":true,"isMinorImpact":false,"location":"Mars","arrivalTime":"2026-09-29T18:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"Psyche","arrivalTime":"2026-09-30T00:00Z"},{"isGlancingBlow":true,"isMinorImpact":false,"location":"STEREO A","arrivalTime":"2026-09-27T14:00Z"}],"cmeIDs":["2026-09-24T14:45:00-CME-001"]}]}],"linkedEvents":null,"sentNotifications":null}]