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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-12-31T04:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-12-31T04:36:00-CME-001 (version 1)
Source Location: N15W130
Active Region Number: 14322
Note Keyword:
Source Signature Keyword:
OFL: Moving/Opening field lines
BR: Brightening
Morphology Keyword:
Note: CME visible to the NW in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. The potential source may be an eruption from Active Region 14322, which rotated off of the Earth-facing disk on 2025-12-28, as seen in STEREO A EUV 195 imagery around N15W130 as brightening and moving field lines starting around 2025-12-31T03:55Z. 
Version 1 submitted on 2025-12-31T12:36Z by Mary Aronne
A Notification with ID 20251231-AL-001 was sent on 2025-12-31T13:09Z

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 127.0 25.0 922.0 C 15.0 2025-12-31T08:13Z Measurement based on the best fit between SOHO LASCO C2/C3, STEREO A COR2, and GOES CCOR-1 in SWPC_CAT as well as the potential source location. 1: Result 1 (2.0 AU)
BepiColombo = 2026-01-01T03:00Z
2: Result 2 (5.5 AU)
BepiColombo = 2026-01-01T03:00Z
Mary Aronne on 2025-12-31T12:37Z



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