Long-duration C1.5 solar flare produced Earth-directed CME

A long-duration C1.5 solar flare erupted from geoeffective Active Region 2699 on February 12, 2018. The event started at 00:15, peaked at 01:35 and ended at 03:21 UTC. A G1 – Minor geomagnetic storm watch is in effect for February 15. This event produced an…… Read more »