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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-10-31T23:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-10-31T23:36:00-CME-001 (version 1)
Note Keyword:
Source Signature Keyword:
OFL: Moving/Opening field lines
BR: Brightening
Morphology Keyword:
J: Jet
Note: Narrow jet-like CME seen to the SW in SOHO LASCO C2/C3 and GOES CCOR-1, and to the SW in STEREO A COR2. Source is uncertain, but is likely a narrow eruption of ejecta seen on or just beyond the STEREO A southwest limb (STEREO A western limb was approx. W139), seen at 2025-10-31T23:15Z in STEREO A EUVI 304. 
Version 1 submitted on 2025-11-01T18:33Z by Hannah Hermann
A Notification with ID 20251101-AL-006 was sent on 2025-11-01T20:33Z

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 142.0 -30.0 1190.0 O 10.0 2025-11-01T02:24Z Measurement using candidate source location seen in available UV imagery and best fit between several frames of SOHO LASCO C2/C3, STEREO A COR2, and GOES CCOR-1. Leading edge becomes too diffuse to track about one forth of the way through the SOHO LASCO C3 FOV. 1: Result 1 (2.0 AU)
Juice = 2025-11-03T18:00Z
2: Result 2 (5.5 AU)
Juice = 2025-11-03T18:00Z
Hannah Hermann on 2025-11-01T18:36Z



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