N/A 31 2858 2855 2857 Image2021-08-21 18:27:17 UTCSIDC regions2021-08-21 07:21:00 UTCINAF/OACT regions2021-08-20 09:00:00 UTCNOAA regions2021-08-21 00:00:00 UTCNOAA returning regionsN/ANOAA plages2021-08-21 00:00:00 UTCSIDC Coronal Holes2021-08-21 20:00:05 UTC