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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-04T23:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-06-04T23:00:00-CME-001 (version 1)
Source Location: S03W17
Active Region Number: 14458
Note Keyword:
Faint: Faint event; may affect type assignment
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
O: Other
Note: Faint CME observed to the W in SOHO LASCO C2/3 and GOES CCOR-1, fading into background late in LASCO C2 and early in LASCO C3/GOES CCOR-1. The source is likely AR 14458, with field line movement and dimming starting around 2026-06-04T22:40Z in SDO AIA 193 centered around S03W17. 
Version 1 submitted on 2026-06-05T17:27Z by Tony Iampietro
A Notification with ID 20260605-AL-006 was sent on 2026-06-05T18:23Z

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 17.0 -1.0 730.0 C 10.0 2026-06-05T02:10Z SOHO LASCO C2 only 3D analysis using the observed source longitude centered around W17, as such the parameters could vary slightly. CME fades quickly in SOHO LASCO C2/C3 and GOES CCOR-1. CME half width may be slightly below 10 degrees. 1: Result 1 (2.0 AU)
Earth = 2026-06-07T17:00Z
Europa Clipper = 2026-06-09T21:00Z
Juice = 2026-06-10T03:00Z
OSIRIS-APEX = 2026-06-08T12:00Z
2026-06-05T17:22Z Tony Iampietro on 2026-06-05T17:29Z



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