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Goodbye 2644

Sunspot region 2644 was again the most active sunspot region on the earth-facing solar disk today. It produced two M-clas solar flares today: an M1.2 solar flare (R1-minor) at 01:05 UTC and an M5.8 solar flare (R2-moderate) that peaked at 14:29 UTC. The M5.8 solar flare is this region's third solar flare that peaked above the M5 threshold and the strongest solar flare produced by sunspot region 2644 thus far.

Four M-class solar flares, Sunspot region 2645

Solar activity was at high levels yesterday (2 April 2017) as our Sun produced four M-class solar flares! The strongest of these solar flares was an M5.7 solar flare (R2-moderate) that peaked at 20:33 UTC.

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Do the high-resolution sunspot counts point to more complex sunspots? 57 Current Farside Activity 371 Incoming & Unnumbered Active Regions 154 Feb 8-9 CMEs 21 AR4366 999

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