By Mario Rana | 2025-08-24
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evolving queen
On 08/24/2025 10:21 am by Patricio Leon | Santiago, Chile
Dominant spot AR4191 has evolved the last days in morphology (Zurich class H to D) and magnetic configuration (alpha to gamma), although with not major activity. The last X-flare in the solar face was 66 day ago, the next when? SDO images are down for the last two days.
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C
