Global H-alpha Network |
SEL EVENT # 6850 in NOAA AR 9830
Date: 2002, Feb 20
Start Time 2100 UT; Max Time 2107 UT; End Time 2109 UT
Coordinates: S18W11
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional: Several eruptive centers
GOES X-ray Class: M2.4 ( Integrated flux from start to end: 4.8E-03 )
Optical: 1B
There are an MPEG movie for this event, a GOES flux plot and several snapshots.