By Mario Rana | 2025-09-18
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and then there were five
On 09/18/2025 10:12 am by patricio leon | Santiago, Chile
there are five major sunspots in the sun face, the central ones have an apparent latitude close to 0°, even after correction of the 7° south displacement of the grid; AR4220, bottom right, grew considerably the last day and now is about 7 Earth´s wide
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C