By Jim Militello | 2025-01-16
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big sunspots
On 01/16/2025 10:58 am by Patricio Leon | Santiago, Chile
the minor cores of AR3961 have joined to create 2 big conspicuous cores, observable with inaided protected eye as well as AR3959 to the north. Besides, a well developed unnamed binary sunspot appeared in the last 24 hours from seemingly nowhere so now
three big spots coexist in the solar face.
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
