40 2867 2870 Image2021-09-17 18:21:25 UTCSIDC regionsINAF/OACT regions2021-09-15 07:00:00 UTCNOAA regionsN/ANOAA returning regions2021-09-17 00:00:00 UTCNOAA plages2021-09-17 00:00:00 UTCSIDC Coronal Holes2021-09-17 20:00:05 UTC