17 18 2842 2843 2844 2835 2841 Image2021-07-17 08:00:44 UTCSIDC regionsINAF/OACT regions2021-07-16 08:00:00 UTCNOAA regions2021-07-17 00:00:00 UTCNOAA returning regions2021-07-17 00:00:00 UTCNOAA plages2021-07-17 00:00:00 UTCSIDC Coronal Holes2021-07-17 08:00:05 UTC