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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-11-18T16:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-11-18T16:00:00-CME-001 (version 2)
Source Location: N24W125
Active Region Number: 14274
Note Keyword:
Faint: Faint event; may affect type assignment
FF: Event fails/disappears before exiting COR2
Source Signature Keyword:
FLR: Flare
PEA: Post eruption arcade
OFL: Moving/Opening field lines
Morphology Keyword:
L: Loop
Note: Very faint CME with the front seen to the NW in SOHO LASCO C2/C3 and GOES CCOR-1 running difference imagery. It is extremely faint in white light imagery. The front is possibly faintly seen in STEREO A COR2 running difference imagery in a couple of timestamps. The source is likely a far-sided (behind-the-limb) flare from the former Active Region 14274, which is now nearing the NW limb (N23W75 as seen from STEREO A) in STEREO A EUV 304/195. The far-sided flare is seen in STEREO A EUV imagery after 2025-11-18T14:30Z; other coronal signatures are post-eruptive arcades. The location of the Active Region is N23W125 from the perspective of GOES.
Version 1 submitted on 2025-11-18T22:29Z by Anna Chulaki
Version 2 submitted on 2025-11-20T16:26Z by Mary Aronne
A Notification with ID
20251118-AL-002 was sent on 2025-11-18T23:31Z
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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 |
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CME Analysis
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M2M_CATALOG |
LE
|
true |
SWPC_CAT |
125.0 |
30.0 |
683.0 |
C |
29.0 |
2025-11-18T21:13Z |
Two-coronagraph analysis of this CME with SOHO LASCO and STEREO A COR2 imagery, confirmed by the location of the far-sided source (former Active Region 14274). |
1: Result 1 (2.0 AU)
Juice = 2025-11-21T15:00Z
2: Result 2 (5.5 AU)
Europa Clipper = 2025-11-25T12:00Z
Juice = 2025-11-21T15:00Z
Lucy = 2025-11-30T05:00Z
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Anna Chulaki on 2025-11-18T22:31Z |
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