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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-12-14T08:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-12-14T08:00:00-CME-001 (version 1)
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
FLR: Flare
FIL: Filament eruption
OFL: Moving/Opening field lines
Morphology Keyword:
Note: This CME is visible faintly to the SW in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A COR2 imagery. The source appears to be on/beyond the limb and may be associated with old AR 14294 which has since rotated beyond the Earth-facing disk. A C-class flare may also be associated with this CME. Filament ejecta is seen clearly in GOES SUVI 304 starting around 2025-12-14T07:29Z along the W/SW limb with the ejecta deflecting to the south. Moving/opening field lines are also visible in GOES SUVI 284 starting around 2025-12-14T07:40Z.
Version 1 submitted on 2025-12-14T19:41Z by Carina Alden
No Notification has been sent for this activity yet.
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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
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true |
SWPC_CAT |
70.0 |
-20.0 |
300.0 |
S |
37.0 |
2025-12-14T19:46Z |
Parameters based on triangulation and best fit using SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The best fit does not seem to match the source location, however when trying to fit closer to the source the CME features did not match in SOHO/GOES and STEREO A perspectives. |
1: Result 1 (2.0 AU)
BepiColombo = 2025-12-16T06:00Z
OSIRIS-APEX = 2025-12-17T12:00Z
STEREO A = 2025-12-18T00:00Z
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Carina Alden on 2025-12-14T19:44Z |
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