SEL EVENT # 2770 in NOAA AR 2671
Date: 2017, Aug 18
Start Time 2101 UT; Max Time 2104 UT; End Time 2110 UT
Coordinates: N11E20
Flare type: X-ray flare and Optical flare observed in H-alpha
Additional: Several eruptive centers
GOES X-ray Class: C2.9 ( Integrated flux from start to end: 9.4E-04 )
Optical: 1N

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