By Mario Rana | 2025-09-24
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geometric sunspots
On 09/24/2025 10:24 am by Patricio Leon | Santiago, Chile
The present spots are arranged in two triangular groups, eastern and western, with big AR4225 outside of both. Activity is low even though four sunspots have a gamma magnetic component which can produce M-class flares
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C
