
A covert sunspot partially hidden behind the sun's southeast limb unleashed a powerful M9.6 class solar flare on May 16 at 12:43 p.m. EDT (1643 GMT).

A covert sunspot partially hidden behind the sun's southeast limb unleashed a powerful M9.6 class solar flare on May 16 at 12:43 p.m. EDT (1643 GMT).