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CME Analysis Information (for CME activity ID: 2025-09-19T04:53:00-CME-001)
Measurement Creation Time: 2025-09-19T15:56Z
Catalog: M2M_CATALOG
Data Level: 0 (0=real-time, 1=real-time and checked by supervising forecaster, 2=retrospective science level data analysis)
Use as primary measurement: true
Measurement Technique: SWPC_CAT

Detecting Instruments:

SOHO: LASCO/C3

STEREO A: SECCHI/COR2

Image Type: running difference
Speed (km/s): 352.0
Speed measured at height (Rs): None Entered
Type: S
Direction (LON/LAT in HEEQ): -54.0/ 19.0
Half Angular Width (degree): 11.0
Minor Half-width (degree): None Entered
Tilt (degree): None Entered
Time@21.5: 2025-09-19T15:05Z
Info/Session URL: None Entered
Note:

Triangulation between SOHO LASCO C3 and STEREO A COR2 using later frames only, as the CME front shape widens and changes shape in early COR2A and LASCO C2 frames.

Measurement Feature Code(s):

LE: Leading Edge

General Keyword(s):

Version 1 submitted on 2025-09-19T16:13Z by Tony Iampietro

No Notification has been sent for this activity yet.

All directly linked activities:

2025-09-19T04:53:00-CME-001

Comments by users:

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