Strong, long duration solar flare measuring M8.7 erupted from geoeffective region
A very strong solar flare measuring M8.7 at its peak time (R2 – Moderate Radio blackout) erupted from geoeffective Active Region 2242 ('beta-gamma-delta') at 04:50 UTC today. This was a long duration event which started at 04:25 and ended at 05:20 UTC. The event
