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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-05T18:09Z ( STEREO A: SECCHI/COR2 )

All Detecting Spacecrafts:

STEREO A: SECCHI/COR2

GOES: CCOR-1

Activity ID: 2026-09-05T18:09:00-CME-001 (version 1)
Source Location: N12E42
Active Region Number: 14524

Note Keyword:

Source Signature Keyword:

FLR: Flare

DIM: Dimming

Morphology Keyword:

Note: This CME is visible to the east in STEREO A COR2 and GOES CCOR-1 imagery. The source is related to an eruption and C8.5 flare from Active Region 14524 (N12E42) as seen in SDO AIA 131/171/193/304, GOES SUVI 131/171/195/284/304, and GOES SUVI 195/304 imagery starting around 2026-09-05T17:40Z. Dimming is observed south of the eruption site in SDO AIA 193/GOES SUVI 195 imagery.

Version 1 submitted on 2026-09-05T19:57Z by Mattie Anastopulos

A Notification with ID 20260905-AL-012 was sent on 2026-09-05T20:46Z
A Notification with ID 20260906-AL-001 was sent on 2026-09-06T00:07Z
A Notification with ID 20260906-AL-003 was sent on 2026-09-06T13:00Z

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	-21.0	-4.0	1110.0	O	30.0	2026-09-05T20:53Z	Measurement based on the best fit between STEREO A COR2 and GOES CCOR-1 imagery.	1: Result 1 (2.0 AU) Earth = 2026-09-07T23:21Z Europa Clipper = 2026-09-07T16:44Z Juice = 2026-09-08T08:10Z OSIRIS-APEX = 2026-09-08T04:10Z Solar Orbiter = 2026-09-06T22:00Z 2: Result 2 (2.0 AU) Earth = 2026-09-07T20:36Z Europa Clipper = 2026-09-07T18:09Z Juice = 2026-09-08T05:47Z OSIRIS-APEX = 2026-09-08T04:58Z Solar Orbiter = 2026-09-06T21:00Z		Mattie Anastopulos on 2026-09-05T19:58Z

All directly linked activities:

2026-09-05T17:32:00-FLR-001
FLR Type: C8.5

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