SMM C/P CME Event
September 22, 1988 --- Day of Year (DOY): 266
Event Description
Big loop/cavity with highly structured, inner (prominence) loop/ cavity in streamer. Streamer is blown out. Big deflections. Solar north is toward the upper left as indicated by the arrow drawn into the occulting disk; the dotted circle marks the solar photosphere.
Event Properties
Start/Stop Times in SMM Coronagraph Field of View:
September 22 00:31 to 03:06
Central Position Angle: 060 degrees
Width (in degrees): 060 degrees
Speed (in km/sec): 640 <--- Cavity
Speed (in km/sec): 386 <--- Inner Loop (prominence)
Image List:
September 22, 1988: 01:21 UT
September 22, 1988: 02:11 UT
September 22, 1988: 02:55 UT
September 22, 1988: 03:03 UT
Detailed information on all SMM mass ejections is available in the SMM Catalogue of Coronal Mass Ejections