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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-12-26T14:23Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2025-12-26T14:23:00-CME-001 (version 2)
Note Keyword:
Faint: Faint event; may affect type assignment
FF: Event fails/disappears before exiting COR2
Source Signature Keyword:
Morphology Keyword:
LS: Loop and Shock Candidate
Note: CME seen to the SW in STEREO A COR2 and to the SE in SOHO LASCO C2/C3, indicating a far-sided event (with longitude between -129 and -179 deg). It is possibly seen very faintly in two timestamps of GOES CCOR-1. There seems to be a narrower brighter bulk and a much wider very faint shock, with the shock clearly seen in one timestamp of COR2 and multiple timestamps of C3; faintly seen in C2. No source has been found for this CME.
Version 1 submitted on 2025-12-26T18:00Z by Anna Chulaki
Version 2 submitted on 2025-12-26T18:02Z by Anna Chulaki
A Notification with ID
20251226-AL-001 was sent on 2025-12-26T18:28Z
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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 |
-161.0 |
-19.0 |
742.0 |
C |
25.0 |
2025-12-26T18:27Z |
Analysis based on the fit with all three coronagraphs (SOHO LASCO, STEREO A COR2 and GOES CCOR-1). No coronal signatures of the far-sided source have been found in EUV imagery. |
1: Result 1 (2.0 AU)
Parker Solar Probe = 2025-12-27T13:06Z
Mars = 2025-12-30T02:00Z
Psyche = 2025-12-30T18:00Z
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Anna Chulaki on 2025-12-26T18:55Z |
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CME Analysis
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M2M_CATALOG |
SH
|
true |
SWPC_CAT |
-158.0 |
-27.0 |
1053.0 |
O |
35.0 |
2025-12-26T17:24Z |
Analysis of the very faint likely shock front based on the fit with two coronagraphs (SOHO LASCO, STEREO A COR2). The source is far-sided. |
Not modeled
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Anna Chulaki on 2025-12-26T18:54Z |
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All directly linked activities: |
| No Linked Activity Found. |
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