By Chloe Hayes | 2025-05-12
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On 05/13/2025 10:56 am by Patricio Leon | Santiago, Chile
unimpressive sunspot AR4086, adjacent to 3 o'clock limb, emitted an X1.2 flare today tuesday 13th; the only "big" spot at 2.5 Earths size is AR4087, close to the eastern limb
Newt 4.5" + solar film, 1/500s ISO100
crop, B/C
