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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-02-16T04:24Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-02-16T04:24:00-CME-001 (version 2)
Note Keyword:
DFL: Likely deflection of the event within the FOV
HAL: Halo CME
Source Signature Keyword:
FLR: Flare
Morphology Keyword:
Note: Large CME first seen to the E in SOHO LASCO C2 starting at 2026-02-16T04:24Z. This CME is also seen to the E in SOHO LASCO C3 and as a partial halo in STEREO A COR2 with the bulk to the E. The CME is also seen to the E in GOES CCOR-1, but the majority of its propagation is obscured by Earth-shine. There appears to be some northward deflection very early in the propagation of the CME in the SOHO LASCO C2 FOV. The source of this CME is associated with an occulted M2.4 flare from beyond the E limb (~S10) that peaked at 2026-02-16T04:35Z. The associated eruption and ejecta can be seen across SDO AIA wavelengths, but the flare is best seen in SDO AIA 131.
Version 1 submitted on 2026-02-16T14:58Z by Elizabeth Juelfs
Version 2 submitted on 2026-02-16T15:14Z by Elizabeth Juelfs
A Notification with ID
20260216-AL-002 was sent on 2026-02-16T16:14Z
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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 |
-112.0 |
13.0 |
1447.0 |
O |
33.0 |
2026-02-16T06:48Z |
Measurement based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. |
1: Result 1 (2.0 AU)
BepiColombo = 2026-02-16T20:00Z
Parker Solar Probe = 2026-02-18T00:00Z
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Elizabeth Juelfs on 2026-02-16T16:08Z |
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CME Analysis
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M2M_CATALOG |
SH
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true |
SWPC_CAT |
-105.0 |
16.0 |
1556.0 |
O |
48.0 |
2026-02-16T06:38Z |
SHOCK measurement based on best fit of the SHOCK feature in SOHO LASCO C2/C3 and STEREO A COR2. |
1: Result 1 (2.0 AU)
BepiColombo = 2026-02-16T15:41Z
Parker Solar Probe = 2026-02-17T16:00Z
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Elizabeth Juelfs on 2026-02-16T15:44Z |
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