SMM C/P CME Event

September 22, 1988 --- Day of Year (DOY): 266

Event Information

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: 00:04 UT September 22, 1988: 00:29 UT

September 22, 1988: 01:21 UT September 22, 1988: 02:11 UT

September 22, 1988: 02:55 UT September 22, 1988: 03:03 UT

September 22, 1988: 03:36 UT

SMM Mass Ejection Catalogue:

Detailed information on all SMM mass ejections is available in the
SMM Catalogue of Coronal Mass Ejections

<> Go to SMM C/P CME home page

Web Editor:
Andrew L. Stanger ( stanger@ucar.edu)
Last revised: 29 August 2000