SEL EVENT # 9410 in NOAA AR 1195
Date: 2011, Apr 20
Start Time 1930 UT; Max Time 1939 UT; End Time 1949 UT
Coordinates: S21E58
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional: Several eruptive centers
GOES X-ray Class: C4.0 ( Integrated flux from start to end: 3.1E-03 )
Optical: SF

Below are an MPEG movie for this event, GOES flux plot and data file and several snapshots.