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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-03-13T00:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-03-13T00:48:00-CME-001 (version 2)
Note Keyword:
GAP: Data gap
PRM: Prominence material (filamentary structures)
Source Signature Keyword:
FIL: Filament eruption
Morphology Keyword:
F: Flux Rope
Note: CME seen to the southwest in SOHO LASCO C2/C3 and the southeast in STEREO A COR2. The CME is seen in STEREO A COR2 following a data gap from 2026-03-12T19:39Z to 2026-03-13T04:09Z. The CME is obscured by Earthshine and the pylon in GOES CCOR-1 imagery, but visible in later frames. The source is a filament eruption spanning from approximately S45E30 to S20W30 as seen in GOES SUVI 304 imagery with liftoff starting at around 2026-03-13T22:09Z. Dimming is also best seen in GOES SUVI 195 imagery. The eruption is not visible in available STEREO A EUV imagery due to the STEREO A data gap mentioned above.
Version 1 submitted on 2026-03-13T11:51Z by Mary Aronne
Version 2 submitted on 2026-03-13T13:07Z by Mary Aronne
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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 |
27.0 |
-52.0 |
686.0 |
C |
33.0 |
2026-03-13T06:37Z |
Measurement based on the best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery as well as the source location in SWPC_CAT. Limited STEREO A images were available for this measurement due to the data gap. |
1: Result 1 (2.0 AU)
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2026-03-13T11:44Z |
Mary Aronne on 2026-03-13T11:53Z |
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