By Mario Rana | 2025-02-01
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swarm of sunspots
On 02/01/2025 10:00 am by Patricio Leon | Santiago, Chile
the sunspot group AR3976/77/78 is gaining in size, new dark cores and strength, spans about 15 x 6 Earths wide and is closing towards center meridian so as to became geoeffective with whatever it may send us
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
