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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-01-10T20:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
Activity ID: 2026-01-10T20:48:00-CME-001 (version 1)
Source Location: S27W02
Active Region Number: 14339
Note Keyword:
DFL: Likely deflection of the event within the FOV
Faint: Faint event; may affect type assignment
GAP: Data gap
OVR: Event partially overlaps with another CME
Source Signature Keyword:
FLR: Flare
FIL: Filament eruption
OFL: Moving/Opening field lines
BR: Brightening
DIM: Dimming
Morphology Keyword:
O: Other
Note: Faint CME observed to the S in SOHO LASCO C2/C3, obscured by the pylon in GOES CCOR-1 and unseen in STEREO A COR2 due to a data gap beginning at 2026-01-10T14:53Z. The source is a complex eruption associated with a C2.1 flare (S16W04) from AR 14339 peaking at 2026-01-10T19:42Z observed in SDO AIA 131, observed as what is likely two bulk fronts as CME: 2026-01-10T20:36Z and CME: 2026-01-10T20:48Z. Following the flare, filament ejecta is observed in SDO AIA 304 traveling S/SW but appearing to mostly fall back onto the disk likely associated with CME: 2026-01-10T20:36Z, and that is followed by dimming starting around 2026-01-10T19:57Z centered around S27W02 observed in SDO AIA 193 likely associated with this CME.
Version 1 submitted on 2026-01-11T01:31Z by Tony Iampietro
A Notification with ID
20260111-AL-001 was sent on 2026-01-11T03:34Z
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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 |
|
CME Analysis
|
M2M_CATALOG |
LE
|
true |
SWPC_CAT |
3.0 |
-29.0 |
809.0 |
C |
23.0 |
2026-01-11T00:29Z |
Single spacecraft 3D analysis due to lack of COR2A imagery and CCOR-1 pylon obstruction, using the observed dimming source S27W02 as a basis. However, observed deflection of the CME in SDO AIA imagery and the inability to triangulate with other coronagraphs makes this analysis speculative, and the latitude/longitude/half-width could easily range within +-5 degrees. |
1: Result 1 (2.0 AU)
Earth = 2026-01-13T16:00Z
(PE: 2.3 h)
OSIRIS-APEX = 2026-01-13T08:00Z
Solar Orbiter = 2026-01-13T01:00Z
STEREO A = 2026-01-14T10:00Z
2: Result 2 (2.0 AU)
Earth = 2026-01-13T13:11Z
(PE: -0.5 h)
OSIRIS-APEX = 2026-01-13T08:00Z
Solar Orbiter = 2026-01-12T21:00Z
STEREO A = 2026-01-14T10:00Z
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Tony Iampietro on 2026-01-11T01:33Z |
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