Quadruple X-Flaring Sunspot Is At It Again | Video
Friday, May 17, 2013 - 12:00
in Astronomy & Space
After a day of rest, active region 1748 unleashed class-M1.3 and M3.2 flares on May 16th and 17th, 2013. This same storm blasted 4 X-class flares between May 13 and 15.