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M1.2 solar flare from sunspot region 2169

A bit of a surprise today on our nearest star: sunspot region 2169 produced an impulsive M1.2 (R1-minor radio blackout) solar flare that peaked at 08:41 UTC. An unexpected event from a very modest sunspot region. Header image and video: NASA SDO.

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Feb 8-9 CMEs 20 AR4366 998 Do the high-resolution sunspot counts point to more complex sunspots? 53 AR4362 19 Space Weather Memes 792

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