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Community photo entitled swarm sunspot by Patricio Leon on 12/19/2024 at Santiago, Chile

swarm sunspot

On 12/19/2024 09:55 am by Patricio Leon| Santiago, Chile

newcomer sunspot 3927, at left, is an extended cluster of minor dark cores close to the equatorial zone, could be a leading farside active region as described in the sun section

Newt 4.5" + solar film, 640s ISO100

crop, B/C