By Mario Rana | 2026-10-21
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remains
On 10/21/2026 11:36 am by Patricio Leon | Santiago, Chile
Another lucky break in the clouds, AR4551 has just gone over the western limb, two sunspots remaining with no structural or magnetic complexity.
Newt 4.5" + solar film, 1/640s ISO100
crop, b/c