SEL EVENT # 1850 in NOAA AR 1376
Date: 2011, Dec 21
Start Time 2008 UT; Max Time 2011 UT; End Time 2013 UT
Coordinates: N23W46
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional:
GOES X-ray Class: C1.5 ( Integrated flux from start to end: 2.6E-04 )
Optical: SF

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