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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-05-21T09:12Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-05-21T09:12:00-CME-001 (version 2)
Source Location: S06E60
Active Region Number: 14093
Note Keyword:
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
Note: This CME is visible to the east/northeast in SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 imagery. The source is related to an eruption from Active Region 14093 (~S06E60) starting around 2025-05-21T08:00Z as seen in SDO AIA 131, 171, 193, 304 imagery. An opening of field lines is visible over the northeast limb at this time in SDO AIA 171, 193, and GOES SUVI 284 imagery as well. 
Version 1 submitted on 2025-05-21T17:43Z by Mattie Anastopulos
Version 2 submitted on 2025-05-27T22:16Z by Mary Aronne
A Notification with ID 20250521-AL-001 was sent on 2025-05-21T18:50Z

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) Submitted By
CME Analysis M2M_CATALOG LE true SWPC_CAT -61.0 15.0 1073.0 O 12.0 2025-05-21T12:29Z Measurement based on the approximate source location and best fit between SOHO LASCO C2/C3 and STEREO A COR2 imagery. 1: Result 1 (2.0 AU)
Mars = 2025-05-26T10:00Z
OSIRIS-APEX = 2025-05-22T16:00Z
2: Result 2 (5.5 AU)
Mars = 2025-05-26T10:00Z
OSIRIS-APEX = 2025-05-22T16:00Z
Mattie Anastopulos on 2025-05-21T17:44Z



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