Order by: Trending (past 30 days)Date ← Go back On 02/20/2024 10:43 am by Patricio Leon| Santiago, Chile Share Twitter Facebook Reddit LinkedIn Email huge sunspot AR3590 measuring about 4 Earths is already perceivable with protected eye alone, a more disaggregated dark core follows it Newt 4.5" + solar film, 1/500s ISO100 crop, B/C