Order by: Trending (past 30 days)Date ← Go back On 12/03/2023 08:54 am by Patricio Leon| Santiago, Chile Share Twitter Facebook Reddit LinkedIn Email now that the AR3500 group is approaching the exit limb, the pair of big sunpots AR 3507 and 3508 dominate the sun face Newt 4.5" + solar film, 1/640s ISO100 crop, B/C
