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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-17T15:09Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2026-06-17T15:09:00-CME-001 (version 1)
Source Location: S14W90
Active Region Number: 14464
Note Keyword:
Source Signature Keyword:
Morphology Keyword:
Note: This CME is visible to the west in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is an eruption from Active Region 14464 (~S14W90) starting around 2026-06-17T15:00Z as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304 and STEREO A EUVI 195/304 imagery. 
Version 1 submitted on 2026-06-17T17:29Z by Mattie Anastopulos
A Notification with ID 20260617-AL-002 was sent on 2026-06-17T18:52Z

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 106.0 7.0 568.0 C 19.0 2026-06-17T21:18Z Measurement based on the approximate source location and best fit between SOHO LASCO C3 and STEREO A COR2 imagery. 1: Result 1 (2.0 AU)
Mars = 2026-06-21T04:00Z
Psyche = 2026-06-21T00:00Z
STEREO A = 2026-06-20T16:00Z
Mattie Anastopulos on 2026-06-17T17:33Z



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