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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-21T13:53Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
Activity ID: 2026-06-21T13:53:00-CME-001 (version 2)
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
FIL: Filament eruption
Morphology Keyword:
Note: This CME is visible to the SW in STEREO A COR2 imagery. The source may be associated with eruption activity from beyond the W/SW limb, possibly associated with old Active Regions 14464 and 14467. 
Version 1 submitted on 2026-06-21T19:09Z by Carina Alden
Version 2 submitted on 2026-06-21T19:10Z by Carina Alden
A Notification with ID 20260621-AL-004 was sent on 2026-06-21T21:47Z

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 152.0 -29.0 593.0 C 23.0 2026-06-21T19:12Z Parameters based on best fit using SOHO LASCO C2/C3 and STEREO A COR2 imagery. 1: Result 1 (2.0 AU)
Psyche = 2026-06-25T06:00Z
2026-06-21T18:50Z Carina Alden on 2026-06-21T19:10Z



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