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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-09-02T10:24Z ( SOHO: LASCO/C2 )

All Detecting Spacecrafts:

SOHO: LASCO/C2

STEREO A: SECCHI/COR2

Activity ID: 2026-09-02T10:24:00-CME-001 (version 3)

Note Keyword:

Faint: Faint event; may affect type assignment

Source Signature Keyword:

Morphology Keyword:

Note: Very faint CME first seen to the W in SOHO LASCO C2 starting around 2026-09-02T10:24Z. It is more easily seen to the E in STEREO A COR2. It is not seen in SOHO LASCO C3 or GOES CCOR-1. The source is possibly related to a minor eruption from the vicinity of AR 14522 best seen in SDO AIA 304 beginning around 2026-09-02T09:10Z.

Version 1 submitted on 2026-09-02T13:41Z by Elizabeth Juelfs
Version 2 submitted on 2026-09-03T17:18Z by Mary Aronne
Version 3 submitted on 2026-09-06T23:38Z by Elizabeth Juelfs

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	27.0	6.0	280.0	S	38.0	2026-09-02T22:21Z	Measurement based on best fit between SOHO LASCO C2 and STEREO A COR2.	1: Result 1 (2.0 AU) Earth = 2026-09-06T16:00Z (PE: -1.6 h) Solar Orbiter = 2026-09-04T07:34Z Juice = 2026-09-07T04:00Z STEREO A = 2026-09-06T08:00Z		Elizabeth Juelfs on 2026-09-02T13:42Z

All directly linked activities:

2026-09-06T17:38:00-IPS-001
Location: Earth

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