By D. S. | 2024-07-19
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sunspots geometry
On 07/27/2024 10:11 am by Patricio Leon| Santiago, Chile
four Earths sized dark cores and two archipelagos of minor ones give interest to the sun face; the lower left core lies right at the minimum size limit to be detectable with unaided vision (about 45 arcseconds): in fact it was, as well as AR3762 collection at right
Newt 4.5"+ solar film, 1/500s ISO100
crop, B/C