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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-03T10:15Z ( GOES: CCOR-1 )
All Detecting Spacecrafts:
GOES: CCOR-1
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
Activity ID: 2026-09-03T10:15:00-CME-001 (version 1)
Note Keyword:
PRM: Prominence material (filamentary structures)
Source Signature Keyword:
FIL: Filament eruption
OFL: Moving/Opening field lines
Morphology Keyword:
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 
Version 1 submitted on 2026-09-03T15:29Z by Elizabeth Juelfs
A Notification with ID 20260903-AL-002 was sent on 2026-09-03T15:40Z
A Notification with ID 20260903-AL-003 was sent on 2026-09-03T16:32Z

The List of CME Analysis already entered:
Event Type Catalog
Measurement TypeCME measurement type: Leading Edge (LE), Shock Front (SH), Right Hand Boundary (RHB), Left Hand Boundary (LHB), Black/White Boundary (BW), Prominence Core (COR), Disconnection Front (DIS), Trailing Edge (TE).
Prime?"primary flag" which is either True or False. If there are multiple CME analysis entries for a single CME, this flag would indicate which analysis is considered most accurate per measurement type. This is a helpful flag if you would like to download only one most accurate CME analysis per CME per Measurement Type
 Technique Long Lat Speed Type Half Width Time 21.5 Note WSA-ENLIL+Cone Result(s) Measured On Submitted By
CME Analysis M2M_CATALOG LE true SWPC_CAT -129.0 26.0 1320.0 O 27.0 2026-09-03T12:36Z 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. 1: Result 1 (2.0 AU)
BepiColombo = 2026-09-04T04:05Z
2: Result 2 (5.5 AU)
BepiColombo = 2026-09-04T04:20Z
Lucy = 2026-09-15T12:00Z
Elizabeth Juelfs on 2026-09-03T15:32Z



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