By Victoria Bryhan | 2026-04-25
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calm after storm
On 04/25/2026 10:34 am by Patricio Leon | Santiago, Chile
Things have calmed down today after thursday and friday sunspot frenzy, present level is mostly inside C-class strip. AR4420 is still the queen spot with regard to structural and magnetic complexity, its big eastern dark core is observable with protected eye alone.
Newt 4.5" + solar film, 1/640s ISO100
crop, b/c