Order by: Trending (past 30 days)Date ← Go back On 02/21/2024 10:35 am by Patricio Leon| Santiago, Chile Share Twitter Facebook Reddit LinkedIn Email Big sunspot AR3590 has evolved with growth of the main dark core and arrangement of several minor elements looking like a trailing cometary tail Newt 4.5" + solar film, 1/640s ISO100 crop, B/C