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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-18T02:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-06-18T02:36:00-CME-001 (version 2)
Source Location: S14W100
Active Region Number: 14464
Note Keyword:
COL: Possible collision with previous CME
DFL: Likely deflection of the event within the FOV
OVR: Event partially overlaps with another CME
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
O: Other
Note: CME observed to the W in SOHO LASCO C2/C3 and GOES CCOR-1, and maybe faintly to the W in STEREO A COR2 although difficult to resolve/triangulate this observation. This CME quickly overtakes CME: 2026-06-18T01:28Z likely from the same source, former AR 14464 over the SW limb ~S14W100, observed in GOES SUVI 171 as field line movement over the SW limb starting around 2026-06-18T01:56Z.
Version 1 submitted on 2026-06-18T18:04Z by Tony Iampietro
Version 2 submitted on 2026-06-18T20:12Z by Carina Alden
A Notification with ID
20260618-AL-005 was sent on 2026-06-18T18:44Z
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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 |
100.0 |
6.0 |
688.0 |
C |
21.0 |
2026-06-18T07:48Z |
SOHO LASCO C2/C3 only analysis using W100 as the approximate location of former AR 14464, as such the longitude could vary slightly if the eruption is further deflected. The front may be faintly visible in STEREO A COR2, but is difficult to resolve and triangulate with if so. |
1: Result 1 (2.0 AU)
Mars = 2026-06-21T20:00Z
Psyche = 2026-06-21T12:00Z
STEREO A = 2026-06-21T00:00Z
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2026-06-18T18:03Z |
Tony Iampietro on 2026-06-18T18:06Z |
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