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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-03-27T19:36Z ( SOHO: LASCO/C2 )

All Detecting Spacecrafts:

SOHO: LASCO/C2

SOHO: LASCO/C3

GOES: CCOR-1

Activity ID: 2026-03-27T19:36:00-CME-001 (version 1)

Note Keyword:

Faint: Faint event; may affect type assignment

GAP: Data gap

Source Signature Keyword:

OFL: Moving/Opening field lines

Morphology Keyword:

Note: Faint CME visible to the SW in SOHO LASCO C2/C3 and GOES CCOR-1. There is a data gap in STEREO A COR2 for this event. The possible source of this CME is seen as moving/opening field lines along the W limb as seen in GOES SUVI 304 starting around 2026-03-27T18:56Z.

Version 1 submitted on 2026-03-28T00:20Z by Carina Alden

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	Plane-of-sky	NONE	-29.0	823.0	C	22.0	2026-03-27T23:35Z	Plane-of-sky parameters based on best fit of faint front in SOHO LASCO C2/C3 and GOES CCOR-1 imagery.	Not modeled		Carina Alden on 2026-03-28T00:22Z

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