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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-26T15:09Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-06-26T15:09:00-CME-001 (version 2)
Note Keyword:
FOV: Front Bright front; may be evidence of pileup
Ha: Bright emission (likely H-alpha emission)
HAL: Halo CME
OVR: Event partially overlaps with another CME
PRM: Prominence material (filamentary structures)
Source Signature Keyword:
FIL: Filament eruption
OFL: Moving/Opening field lines
Morphology Keyword:
FS: Flux Rope and Shock Candidate
Note: CME observed to the SW in STEREO A COR2, and as a partial halo to the S/W in SOHO LASCO C2. The source is far-sided from Earth, likely a newly developed active region observed ~W160 in Solar Orbiter PHI at 2026-06-26T05:39Z. This source is observed in STEREO A EUVI 195/304 starting around 2026-06-26T13:35Z as field line movement and filament ejecta on or just beyond the SW limb, which is ~W152.4 with STEREO A at W62.4. Likely associated with a GOES-equivalent M1.0 [C6,M2] flare observed in Solar Orbiter STIX peaking at 2026-06-26T14:35Z.
Version 1 submitted on 2026-06-26T17:46Z by Tony Iampietro
Version 2 submitted on 2026-06-26T17:58Z 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 |
|
CME Analysis
|
M2M_CATALOG |
SH
|
true |
SWPC_CAT |
172.0 |
-23.0 |
514.0 |
C |
41.0 |
2026-06-26T21:58Z |
Shock triangulation between SOHO LASCO C2 and STEREO A COR2. |
1: Result 1 (2.0 AU)
Mars = 2026-07-02T06:00Z
Psyche = 2026-07-01T12:00Z
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2026-06-26T17:26Z |
Tony Iampietro on 2026-06-26T17:53Z |
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CME Analysis
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M2M_CATALOG |
LE
|
true |
SWPC_CAT |
153.0 |
-17.0 |
400.0 |
S |
32.0 |
2026-06-26T23:35Z |
Bulk triangulation between SOHO LASCO C2 and STEREO A COR2. |
1: Result 1 (2.0 AU)
Mars = 2026-07-01T16:00Z
Psyche = 2026-07-01T12:00Z
2: Result 2 (5.5 AU)
Mars = 2026-07-01T16:00Z
Psyche = 2026-07-01T12:00Z
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2026-06-26T17:35Z |
Tony Iampietro on 2026-06-26T17:52Z |
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