Two moderately strong solar flares measuring M4.4 and M5.3 erupted from Active Region 2644 (beta) on April 1 and 2, 2017. The M4.4 event started at 21:35, peaked at 21:48 and ended at 22:05 UTC. It was the first M-class solar flare since November 29, 2016 and the…… Read more »