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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-27T22:37Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-05-27T22:37:00-CME-001 (version 1)
Source Location: S20E20
Note Keyword:
Faint: Faint event; may affect type assignment
GAP: Data gap
HAL: Halo CME
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
O: Other
Note: Faint SE partial halo CME in SOHO LASCO C2/C3 and GOES CCOR-1, and visible to the SE in STEREO A COR2 at 2026-05-28T01:38Z. The source of this event is likely very faint dimming and field line movement seen centered at approx. S20E20 as seen in SDO AIA 193, starting as early as around 2026-05-27T19:00Z.
Version 1 submitted on 2026-05-28T13:13Z 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 |
LE
|
true |
SWPC_CAT |
-14.0 |
-30.0 |
359.0 |
S |
35.0 |
2026-05-28T07:46Z |
Triangulation between SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. Front is much more wide in STEREO A COR2 than SOHO and GOES, and that is used for the width while tracking the LE in all coronagraphs. |
1: Result 1 (2.0 AU)
Earth = 2026-05-31T14:00Z
Europa Clipper = 2026-06-03T00:00Z
OSIRIS-APEX = 2026-06-01T12:00Z
2: Result 2 (2.0 AU)
Earth = 2026-05-31T12:00Z
Europa Clipper = 2026-06-02T23:00Z
OSIRIS-APEX = 2026-06-01T08:00Z
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2026-05-28T13:04Z |
Tony Iampietro on 2026-05-28T13:15Z |
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