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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-30T01:38Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
GOES: CCOR-1
Activity ID: 2026-05-30T01:38:00-CME-001 (version 1)
Source Location: S10E15
Note Keyword:
FF: Event fails/disappears before exiting COR2
Source Signature Keyword:
Morphology Keyword:
Note: This CME is visible to the east in SOHO LASCO C2, GOES CCOR-1, and STEREO A COR2 imagery. The source may be related to a small eruption centered near S10E15 starting around 2026-05-30T00:00Z as seen in SDO AIA 131/193/304, STEREO A EUVI 304, and GOES SUVI 131/195/284/304 imagery. 
Version 1 submitted on 2026-05-30T16:09Z by Mattie Anastopulos
A Notification with ID 20260530-AL-002 was sent on 2026-05-30T18:55Z

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 -30.0 -1.0 503.0 C 10.0 2026-05-30T07:35Z Measurement based on the best fit between SOHO LASCO C2 and STEREO A COR2 imagery. 1: Result 1 (2.0 AU)
Earth = 2026-06-02T19:00Z
Mattie Anastopulos on 2026-05-30T16:11Z



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