Complex (multiple?) loop/cavity with structured core centered on streamer and fan. Loop has flattened front in 19:25 image. Loop is gone after 19:25. Region is partially blown out. Deflections. Irregularly shaped material continues to be ejected until ~01:59 UT the next day. Event could be as far north as 320 degrees. Solar north is indicated by the arrow drawn into the occulting disk; the dotted circle marks the solar photosphere.
Start/Stop Times in SMM Coronagraph Field of View:
August 12 17:53 to August 13 ~01:59
Central Position Angle: 264(?) degrees
Width (in degrees): 062(?) degrees
Speed (in km/sec): 304 <---- Loop
August 12, 1989: 16:29 UT SOUTH
August 12, 1989: 16:45 UT WEST
August 12, 1989: 17:53 UT WEST
August 12, 1989: 18:01 UT SOUTH
August 12, 1989: 18:17 UT WEST
August 12, 1989: 19:00 UT WEST
August 12, 1989: 19:25 UT WEST
August 12, 1989: 19:33 UT SOUTH
August 12, 1989: 19:50 UT WEST
August 12, 1989: 20:33 UT WEST
August 12, 1989: 20:57 UT WEST
August 12, 1989: 21:06 UT SOUTH
August 12, 1989: 21:22 UT WEST
August 12, 1989: 22:30 UT WEST
August 12, 1989: 22:54 UT WEST
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Andrew L. Stanger ( stanger@ucar.edu)
Last revised: 29 August 2000
