Global H-alpha Network |
SEL EVENT # 4220 in NOAA AR 0069
Date: 2002, Aug 19
Start Time 2056 UT; Max Time 2102 UT; End Time 2106 UT
Coordinates: S11W33
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional: Several eruptive centers
GOES X-ray Class: M3.1 ( Integrated flux from start to end: 9.2E-03 )
Optical: 1B
There are an MPEG movie for this event, and several snapshots.