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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-09T18:24Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-05-09T18:24:00-CME-001 (version 1)
Source Location: S15W75
Note Keyword:
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
OFL: Moving/Opening field lines
BR: Brightening
DIM: Dimming
Morphology Keyword:
O: Other
Note: CME observed to the SW in SOHO LASCO C2/C3 and GOES CCOR-1, not in STEREO A COR2. The source is close to the west limb, observed in SDO AIA 171/193 as field line movement and dimming centered around S15W75 starting after 2026-05-09T17:30Z, in the vicinity of AR 14429 (S04W83) and 14431 (S16W57). 
Version 1 submitted on 2026-05-09T23:35Z by Tony Iampietro
A Notification with ID 20260510-AL-001 was sent on 2026-05-10T00:15Z

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 75.0 -18.0 701.0 C 10.0 2026-05-09T23:44Z SOHO LASCO C2/C3 3D analysis, with no STEREO A COR2 visibility, using the observed source as the basis. Longitude could vary W60-W90 with any deflection. 1: Result 1 (2.0 AU)
Juice = 2026-05-13T14:00Z
Tony Iampietro on 2026-05-09T23:37Z



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