CME Analysis Information (for CME activity ID: 2025-08-21T08:23:00-CME-001)
Measurement Creation Time: 2025-08-21T13:15Z
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/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Image Type:
running difference
Speed (km/s):
1657.0
Speed measured at height (Rs): None Entered
Type: O
Direction (LON/LAT in HEEQ):
-142.0/
19.0
Half Angular Width (degree): 52.0
Minor Half-width (degree): None Entered
Tilt (degree): None Entered
Time@21.5: 2025-08-21T10:29Z
Info/Session URL: None Entered
Note: Preliminary measurement based on best-fit among SOHO LASCO C2/C3, STEREO A COR2, and GOES CCOR-1
Measurement Feature Code(s):
LE: Leading Edge
General Keyword(s):
Version 1 submitted on 2025-08-21T11:54Z by Elizabeth Juelfs
Version 2 submitted on 2025-08-21T12:28Z by Elizabeth Juelfs
Version 3 submitted on 2025-08-21T13:15Z by Chris Stubenrauch
A Notification with ID
20250821-AL-001 was sent on 2025-08-21T12:01Z
A Notification with ID
20250821-AL-002 was sent on 2025-08-21T13:59Z
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