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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-08T13:59Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
Activity ID: 2026-09-08T13:59:00-CME-001 (version 1)
Source Location: N10W35
Active Region Number: 14521
Note Keyword:
Source Signature Keyword:
FLR: Flare
Morphology Keyword:
Note: This CME is visible to the west in SOHO LASCO C2 and GOES CCOR-1, and to the east in STEREO A COR2 imagery. The source is a C2.4 flare from Active Region 14521 (N10W35) starting around 2026-09-08T12:20Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and STEREO A EUVI 195/304 imagery. 
Version 1 submitted on 2026-09-08T17:44Z by Mattie Anastopulos
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 35.0 19.0 365.0 S 21.0 2026-09-08T21:47Z Measurement based on the source location and best fit between SOHO LASCO C2 and STEREO A COR2 imagery. 1: Result 1 (2.0 AU)
Solar Orbiter = 2026-09-10T12:33Z
STEREO A = 2026-09-11T23:00Z
Mattie Anastopulos on 2026-09-08T17:48Z



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