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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-12-08T01:25Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2025-12-08T01:25:00-CME-001 (version 1)
Source Location: N50E20
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
O: Other
Note: Faint CME first seen to the NNE in SOHO LASCO C2 starting at 2025-12-08T01:25Z, as well as by SOHO LASCO C3 and STEREO A COR2 in later frames. This CME is not clearly seen in STEREO A COR2. The source of this event is minor field line opening and dimming seen at approx. N50E20 beginning at approx. 2025-12-08T00:24Z as seen in GOES SUVI 195. 
Version 1 submitted on 2025-12-08T16:53Z by Melissa Kane
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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 -7.0 50.0 431.0 S 25.0 2025-12-08T08:52Z Measurement based on approximate source location and best fit in SOHO LASCO C2/C3 and GOES CCOR-1. Not modeled Melissa Kane on 2025-12-08T16:54Z



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