By Michael Flynn | 2024-12-05
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growing spot
On 12/07/2024 09:25 am by Patricio Leon | Santiago, Chile
sunspot AR3917, center left, is "acreting" disperse dark cores and taking a more beefy look; solitary AR3019 is about to depart at 2 o'clock limb after 12 days traveling along the solar face
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C