By Jim Militello | 2025-01-31
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active sun
On 01/31/2025 02:49 pm by Patricio Leon | Santiago, Chile
AR3976 manifested some muscle yesterday (friday 31st) as it produced an M 6.7 flare, let's hope its delta component generates more activity for the next days
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
