N/A 31 2857 2858 2850 2855 Image2021-08-20 18:26:16 UTCSIDC regions2021-08-20 08:51:00 UTCINAF/OACT regions2021-08-20 09:00:00 UTCNOAA regions2021-08-20 00:00:00 UTCNOAA returning regions2021-08-20 00:00:00 UTCNOAA plages2021-08-20 00:00:00 UTCSIDC Coronal Holes2021-08-20 20:00:05 UTC