By Mario Rana | 2025-09-20
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crowded sun
On 09/20/2025 10:20 am by Patricio Leon | Santiago, Chile
two new sunspots, AR4226 and 4227, have rotated into view adding to previous six ones; AR4221, center image, is located surprisingly close to the solar equator, barely 3° north of it (after 7° grid correction) ; SDO images have been down for eight days now
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C
