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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-05-15T16:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-05-15T16:48:00-CME-001 (version 1)
Source Location: N22W76
Active Region Number: 14435
Note Keyword:
Source Signature Keyword:
FLR: Flare
PEA: Post eruption arcade
OFL: Moving/Opening field lines
Morphology Keyword:
Note: CME visible to the NW in SOHO LASCO C2/C3 and GOES CCOR-1. Not clearly visible in STEREO A COR2. The source is a C9.5 flare from AR 14435 (N22W76) peaking at 2026-05-15T16:14Z as seen in SDO AIA 131 imagery. An eruption with moving field lines and post-eruptive arcades is visible in SDO AIA 193 and STEREO A EUV 195 imagery. 
Version 1 submitted on 2026-05-15T20:20Z by Mary Aronne
No Notification has been sent for this activity yet.

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 76.0 17.0 347.0 S 30.0 2026-05-16T02:55Z Measurement based on the source location. 1: Result 1 (2.0 AU)
Parker Solar Probe = 2026-05-17T23:21Z
Juice = 2026-05-20T05:00Z
STEREO A = 2026-05-19T00:00Z
Mary Aronne on 2026-05-15T20:20Z



All directly linked activities:
2026-05-15T16:05:00-FLR-001
FLR Type: C9.5


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