A strong solar flare reaching M8.7 took place at 03:59 UTC Monday morning
A strong solar flare reaching M8.7 was generated by Sunspot 1402 in the northern hemisphere. The flare peaked at 03:59 UTC monday morning (Jan 23 2012) and started off an a long duration M1.0 event (LDE) before eventually rising again to its maximum. An R2 Radio
