By Asha Prasad | 2025-05-05
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long lived sunspot
On 05/05/2025 10:03 am by Patricio Leon | Santiago, Chile
impressive AR4079 (former 4055) has already completed one full sun rotation and is currently well inside a second tour, outcome is uncertain (sadly, bad weather days are coming)
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C
