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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-09T10:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-09-09T10:36:00-CME-001 (version 2)
Note Keyword:
3P: 3-part structure CME
DFL: Likely deflection of the event within the FOV
FOV: Front Bright front; may be evidence of pileup
SB: Streamer Blowout following CME
Source Signature Keyword:
FIL: Filament eruption
OFL: Moving/Opening field lines
Morphology Keyword:
Note: This CME is visible to the East in SOHO LASCO C2, C3, GOES CCOR-1, and STEREO A imagery. The source of this CME appears to be a long-duration filament eruption visible along the E/SE limb in GOES SUVI 304 and 284 imagery starting around 2026-09-09T06:30Z with liftoff around 2026-09-09T10:36Z. Moving/opening field lines are visible with some apparent deflection towards the north as it progresses out of the field of view in GOES SUVI 284. The CME also exhibits a small deflection towards the north as it progresses outward in the SOHO LASCO field of view. There is a simultaneous CME visible to the East in STEREO A COR2 around the same start time, however this CME is believed to be associated with a C-class flare and is not the same CME feature seen in SOHO LASCO C2 that is associated with this entry. The CME is visible in later frames in STEREO A as a wider feature.
Version 1 submitted on 2026-09-09T19:13Z by Carina Alden
Version 2 submitted on 2026-09-09T19:15Z 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
|
true |
SWPC_CAT |
-100.0 |
-2.0 |
308.0 |
S |
34.0 |
2026-09-09T23:40Z |
Parameters based on best fit using SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. |
Not modeled
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2026-09-09T18:39Z |
Carina Alden on 2026-09-09T19:14Z |
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