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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-03T11:01Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-09-03T11:01:00-CME-001 (version 1)
Source Location: N11E44
Active Region Number: 14523
Note Keyword:
Source Signature Keyword:
FLR: Flare
DIM: Dimming
Morphology Keyword:
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. 
Version 1 submitted on 2026-09-03T16:54Z by Elizabeth Juelfs
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 -66.0 49.0 568.0 C 20.0 2026-09-03T17:08Z Measurement based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. Not modeled Elizabeth Juelfs on 2026-09-03T16:57Z



All directly linked activities:
2026-09-03T09:35:00-FLR-001
FLR Type: C2.2


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