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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-02-26T14:38Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-02-26T14:38:00-CME-001 (version 1)
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
Note: CME first seen to the SE by STEREO A COR2, as well as by SOHO LASCO C2/C3 and GOES CCOR-1 in later frames. The source of this event is likely far sided, but field line movement can be seen along the SE limb in SDO AIA 171 beginning at approx. 2026-02-26T12:42Z. 
Version 1 submitted on 2026-02-26T17:26Z by Melissa Kane
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 -110.0 -38.0 293.0 S 25.0 2026-02-27T01:49Z Measurement based on best fit in SOHO LASCO C2/C3, STEREO A COR2 and GOES CCOR-1. 1: Result 1 (2.0 AU)
Melissa Kane on 2026-02-26T17:28Z



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