By Fred Holman | 2024-05-07
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monster sunspot
On 05/08/2024 10:47 am by Patricio Leon| Santiago, Chile
giant sunspot AR3664 has grown to epic proportions, about 10 Earths long x 5 Earths wide; as if that were not enough, it also emits X flares !
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C
