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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-12-30T18:24Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
Activity ID: 2025-12-30T18:24:00-CME-001 (version 1)
Source Location: S17E42
Active Region Number: 14330
Note Keyword:
GAP: Data gap
Source Signature Keyword:
FLR: Flare
OFL: Moving/Opening field lines
BR: Brightening
Morphology Keyword:
O: Other
Note: CME observed to the SE in SOHO LASCO C2/C3 and GOES CCOR-1, not observed in STEREO A COR2 due to a data gap beginning at 2025-12-30T16:53Z. The source is associated with a C4.1 class flare from AR 14330 (S17E42) which peaked at 2025-12-30T18:03Z observed in SDO AIA 131. Eruption also observed as brightening on disk and field line movement in SDO AIA 171/193/304.
Version 1 submitted on 2025-12-31T00:15Z by Tony Iampietro
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
|
true |
SWPC_CAT |
-42.0 |
-28.0 |
292.0 |
S |
17.0 |
2025-12-31T06:02Z |
Single spacecraft 3D analysis with SOHO LASCO C2/C3 as STEREO A COR2 imagery not available for this CME, using the flare source of S17E42 as the longitude. As such, the longitude could easily vary E30-E50 if deflection occurred. |
1: Result 1 (2.0 AU)
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Tony Iampietro on 2025-12-31T01:30Z |
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CME Analysis
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M2M_CATALOG |
SH
|
true |
SWPC_CAT |
-22.0 |
-12.0 |
531.0 |
C |
37.0 |
2025-12-31T01:12Z |
Single spacecraft 3D analysis with SOHO LASCO C2 as STEREO A COR2 imagery not available for this CME, using the flare source of S17E42 as the base longitude and adjusting for the shock width and shape, ending up around longitude E22. |
1: Result 1 (2.0 AU)
Earth = 2026-01-02T15:31Z
Solar Orbiter = 2026-01-02T05:14Z
OSIRIS-APEX = 2026-01-02T08:00Z
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Tony Iampietro on 2025-12-31T01:20Z |
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