By Mario Rana | 2025-09-08
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big cores
On 09/08/2025 10:05 am by Patricio Leon | Santiago, Chile
in the last days AR4213 has evolved to form a striking chain of three big dark cores with her neighbor AR4211 in the central sun; meanwhile, AR 4207 is close to complete its solitary crossing of the northern face
Newt 4.5"+ solar film, 1/500s ISO100
crop, B/C
