SOLAR ACTIVITY UPDATE: M7.7-Flare/Proton Event/CME/S1-Radiation Storm(July 20th, 2012)

ALMOST X-FLARE : Sunspot complex AR1520-1521 erupted again on July 19th, this time producing an M7-class solar flare that almost crossed the threshold into X-territory. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash: http://www.spaceweather.com