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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-03T22:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-09-03T22:36:00-CME-001 (version 1)
Note Keyword:
Ha: Bright emission (likely H-alpha emission)
Source Signature Keyword:
FIL: Filament eruption
OFL: Moving/Opening field lines
Morphology Keyword:
FS: Flux Rope and Shock Candidate
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. 
Version 1 submitted on 2026-09-04T01:47Z by Carina Alden
No Notification has been sent for this activity yet.

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 -76.0 -26.0 1020.0 O 25.0 2026-09-04T01:54Z 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. 1: Result 1 (2.0 AU)
2026-09-04T00:43Z Carina Alden on 2026-09-04T01:49Z



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