By Jim Militello | 2025-04-03
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populated sun
On 04/03/2025 10:19 am by Patricio Leon | Santiago, Chile
three big spots remain, all of them seen with protected eye alone; very different structures, in particular between western AR4048 and AR4046. Nice steady seeing.
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C
