By Michael Flynn | 2025-01-17
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sunspots parade
On 01/18/2025 11:47 am by Patricio Leon | Santiago, Chile
stable sunspots, AR3961 at center left has a complex structure with multiple dark cores and light bridges between them, creating an elongated shape 10 x 3 Earths in size; SDO helioseismology shows more action to come in the southern belt of sunspots
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
