By Kelly Dahlberg | 2023-08-01
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On 08/01/2023 10:23 am by Patricio Leon | Santiago. Chile
big complex AR3380 at lower right stands out among several sunspots at the Sun face, it measures about 5 x 3 Earths and presents numerous umbra nuclei
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
