N/A N/A N/A N/A N/A 17 20 21 22 23 2842 2845 2846 2847 2840 2844 Image2021-07-21 19:29:02 UTCSIDC regions2021-07-21 07:55:00 UTCINAF/OACT regions2021-07-21 07:00:00 UTCNOAA regions2021-07-21 00:00:00 UTCNOAA returning regions2021-07-21 00:00:00 UTCNOAA plages2021-07-21 00:00:00 UTCSIDC Coronal Holes2021-07-21 20:00:05 UTC