UCMEO 93001 30710 1800/
30710 60400 80712 0001/ 360// 233// 41093
30710 60330 80422 31548 13358 2221/
99999

PLAIN


SOHO/LASCO  HALO CME July 10, 2023 FRONTSIDE 

C2 Start Time:      4:00 UT

C3 Start Time:      4:30 UT   

Type of CME:
Assymmetric HALO CME — FRONTSIDE
pa1: 000      pa2:  360       Total Width:  360 degrees

Velocity Measurements:

C2:    5 points     1085.9 km/sec @ PA 226.40
C3:    12 points   1058.9 km/sec @ PA 226.57
 
Average through both(C2/C3) fields:      1093.0 km/sec  Acceleration: -38.18 m/sec^2.   

COMMENT: LASCO C2/C3 show a Halo CME in the SW region. The flare is associated with filament eruption starting at approximately 03:20 UT, most visibly seen in SDO/AIA 94, and 131. The flare was centered at S15W48 (AR 3358) with a GOES Class of M2.4. 
            
            
Preliminary UCMEO velocity and position measurements are delivered first. 


Best Regards,

--James Tabourne

BT


[Images from original message are omitted here]

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