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Old sunspot region 3664 returns with an M9.3 solar flare!

Old sunspot region 3664 and more recently 3697 is back for a third visit of the earth-facing solar disk. The region received sunspot number 3723 and immediately announced its return with an impulsive and non-eruptive M9.3 (R2-moderate) solar flare that peaked at 13:01 UTC. It has decayed heavily as expected of course but there still seems to be some gas in the tank for major eruptions! Exciting!

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domenica, 7 dicembre PM

M8.1 solar flare with earth-directed CME

lunedì, 1 dicembre PM

X1.9 solar flare, Coronal hole faces Earth

venerdì, 14 novembre PM

X4.0 solar flare

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Incoming & Unnumbered Active Regions 42 Filaments and prominences 415 Current Farside Activity 258 Coronal Hole 06 59 Geminid Meteor Shower 30

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