Global H-alpha Network |
SEL EVENT # 670 in NOAA AR 1818
Date: 2013, Aug 17
Start Time 1816 UT; Max Time 1824 UT; End Time 1835 UT
Coordinates: S07W30
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional: Y-shaped ribbon
GOES X-ray Class: M3.3 ( Integrated flux from start to end: 2.1E-02 )
Optical: 2B
Below are an MPEG movie for this event, GOES flux plot and data file and several snapshots.