By Victoria Buckman | 2025-12-03
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longevity
On 12/03/2025 10:23 am by Patricio Leon | Santiago, Chile
both huge southern sunspots are seen apart with protected eye alone. Solitary northern AR4299 is worth mentioning: it is former AR4246 - former AR4274 in its third tour across the solar face, in about four more days it will complete two full rotations to the sun, an extraordinary long life for a sunspot
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C