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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-24T09:12Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-05-24T09:12:00-CME-001 (version 1)
Note Keyword:
Source Signature Keyword:
Morphology Keyword:
F: Flux Rope
Note: CME seen to the northwest in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2A, likely associated with a far-sided eruption as evidenced by moving field lines off the western limb seen best in SDO AIA 171 near 2026-05-24T09:00Z. 
Version 1 submitted on 2026-05-24T13:13Z by Chris Stubenrauch
A Notification with ID 20260524-AL-002 was sent on 2026-05-24T13:48Z

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 102.0 31.0 643.0 C 31.0 2026-05-24T14:35Z Leading edge measurement using all coronagraphs for triangulation of the longitude. 1: Result 1 (2.0 AU)
Parker Solar Probe = 2026-05-25T11:37Z
Mars = 2026-05-28T00:00Z
STEREO A = 2026-05-27T20:00Z
Chris Stubenrauch on 2026-05-24T13:14Z



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