Order by: Trending (past 30 days)Date ← Go back active spot On 05/15/2025 10:49 am by Patricio Leon | Santiago, Chile Share Twitter Facebook Reddit LinkedIn Email big sunspot AR4087 has been less active than yesterday, but keeps its delta magnetic component so can awake in any moment Newt 4.5" + solar film, 1/640s ISO100 crop, B/C
