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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-24T11:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-05-24T11:00:00-CME-001 (version 1)
Note Keyword:
Source Signature Keyword:
Morphology Keyword:
Note: Narrow CME seen to the northeast in SOHO LASCO C2/C3 and to the north-northwest in STEREO A COR2A with an uncertain source, likely associated with far-sided eruptive activity as evidenced by the CME geometry. 
Version 1 submitted on 2026-05-24T15:49Z by Chris Stubenrauch
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 -121.0 48.0 630.0 C 18.0 2026-05-24T16:12Z Leading edge measurement using all available spacecraft (SOHO, STEREO A, GOES) coronagraphs out to nine solar radii. Not modeled Chris Stubenrauch on 2026-05-24T15:50Z



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