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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-25T22:12Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
Activity ID: 2026-05-25T22:12:00-CME-001 (version 1)
Note Keyword:
Source Signature Keyword:
Morphology Keyword:
Note: Far-sided CME observed to the NW in SOHO LASCO C2/C3. Preliminary entry for SEP event, will update description. Source likely far-sided former AR 14436 around N18W140-E150.
Version 1 submitted on 2026-05-25T23:19Z by Tony Iampietro
A Notification with ID
20260526-AL-002 was sent on 2026-05-26T00:24Z
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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 |
145.0 |
28.0 |
1980.0 |
O |
31.0 |
2026-05-25T23:58Z |
Preliminary leading edge analysis, assuming former AR 14436 (~N18W145 at this time). STEREO A COR2 observations not available due to data gap, and not yet observed in LASCO C3. |
1: Result 1 (2.0 AU)
Mars = 2026-05-27T22:42Z
Psyche = 2026-05-27T21:38Z
Parker Solar Probe = 2026-05-26T16:00Z
Solar Orbiter = 2026-05-28T14:00Z
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Tony Iampietro on 2026-05-26T01:53Z |
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CME Analysis
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M2M_CATALOG |
SH
|
true |
SWPC_CAT |
145.0 |
27.0 |
1671.0 |
O |
43.0 |
2026-05-26T00:16Z |
Shock front analysis with SOHO LASCO C2/C3 and GOES CCOR-1. STEREO A COR2 not available due to a data gap. The shock front is notably irregular shaped, with a northern lobe and southern feature observed as a wide partial halo. This fit tracks the majority of the observed shock front prioritizing the northern lobe in similarity to the bulk leading edge directionality. Longitude of W145 used as the approximate source of former AR 14436; the likely source for this CME without direct observation, and as such longitude could vary between W135-W155. |
1: Result 1 (2.0 AU)
Mars = 2026-05-27T20:46Z
Parker Solar Probe = 2026-05-26T13:22Z
Psyche = 2026-05-27T19:55Z
Solar Orbiter = 2026-05-28T06:00Z
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2026-05-26T01:44Z |
Tony Iampietro on 2026-05-26T01:53Z |
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