SMM C/P CME Event

29 October 1988 --- Day of Year (DOY): 303

Four images of a coronal mass ejection seen over the east limb of the sun. Solar north points toward the upper left corner in each image.

Event Description

Bright (multiple?) loop/cavity and core superposed on tongue from previous event. Core contains embedded, twisted (prominence?) structures. Loop is 'light-bulb' shaped from 20:19 until ~21:45. Large deflections. Region and tongue are blown out.

Event Properties

Start/Stop Times in SMM Coronagraph Field of View: October 29 19:29 to ~02:26
Central Position Angle: 109 degrees
Width (in degrees): 043 degrees
Speed (in km/sec): 479 <--- Cavity
Speed (in km/sec): 245 <--- Kink in Core

Image List:

October 29, 1988: 18:37 UT October 29, 1988: 19:29 UT

October 29, 1988: 19:54 UT October 29, 1988: 20:19 UT

October 29, 1988: 21:12 UT October 29, 1988: 21:45 UT

October 29, 1988: 4 pictures in one frame

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