By Nina Gorenstein | 2025-12-27
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three plus one
On 12/27/2025 09:52 am by Patricio Leon | Santiago, Chile
there are three plain sunspots in the sun face plus a subtle active region towards the 8 o'clock position, and yet this last one emitted an 5.1 M flare earlier today
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
