By Hassan Dadashi Arani | 2026-09-04
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gathering
On 09/04/2026 11:05 am by Patricio Leon | Santiago, Chile
respectable sized sunspot AR4527 has just rotated the eastern limb. Preceding AR4524 has actively produced flares last day, one of them reaching M-class level
Newt 4.5" + solar film, 1/640s ISO100
crop, b/c
