N/A 30 2857 2853 2855 2856 Image2021-08-17 18:27:31 UTCSIDC regions2021-08-17 07:30:00 UTCINAF/OACT regions2021-08-17 10:00:00 UTCNOAA regions2021-08-17 00:00:00 UTCNOAA returning regionsN/ANOAA plages2021-08-17 00:00:00 UTCSIDC Coronal Holes2021-08-17 20:00:05 UTC