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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-11-21T10:30Z ( GOES: CCOR-1 )
All Detecting Spacecrafts:
GOES: CCOR-1
SOHO: LASCO/C2
STEREO A: SECCHI/COR2
Activity ID: 2025-11-21T10:30:00-CME-001 (version 2)
Note Keyword:
Source Signature Keyword:
OFL: Moving/Opening field lines
BR: Brightening
DIM: Dimming
Morphology Keyword:
Note: This CME is visible to the west in GOES CCOR-1, SOHO LASCO C2, and STEREO A COR2 imagery. The source is likely related to an eruption from beyond the western limb starting around 2025-11-21T09:30Z as seen in GOES SUVI 171/193/284/304 and STEREO A EUVI 195/304 imagery. An associated opening of field lines is observed over the western limb in GOES SUVI 171/193/284 and STEREO A EUVI 195. The eruption is likely observed from the STEREO A facing disk, with brightening observed near the western limb and a subsequent dimming seen north of the eruption site in STEREO A EUVI 195 imagery. 
Version 1 submitted on 2025-11-21T13:34Z by Mattie Anastopulos
Version 2 submitted on 2025-11-21T13:36Z by Mattie Anastopulos
A Notification with ID 20251121-AL-001 was sent on 2025-11-21T14:34Z

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 112.0 -2.0 512.0 C 14.0 2025-11-21T16:35Z Measurement based on the best fit between GOES CCOR-1, STEREO A COR2, and SOHO LASCO C2 imagery. 1: Result 1 (2.0 AU)
Juice = 2025-11-24T12:00Z
2: Result 2 (5.5 AU)
Europa Clipper = 2025-11-28T12:00Z
Juice = 2025-11-24T12:00Z
Lucy = 2025-12-03T10:00Z
Mattie Anastopulos on 2025-11-21T13:36Z



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