S21W02 Data 2021-04-25
Long Jupiter -100 area 0New region 12821 [S21W13] emerged late on April 24
S21W13 Data 2021-04-25
Long Jupiter -89 area 100New region 12821 [S21W13] emerged late on April 24 and was numbered the next day by SWPC as the region continued to develop.
S22W28 Data 2021-04-26
Long Jupiter -74 area 200New region 12821 [S22W28] developed and could produce C flares.
S21W42 Data 2021-04-27
Long Jupiter -58 area 130Region 12821 [S21W42] was quiet and decayed slowly.
S21W59 Data 2021-04-28
Long Jupiter -40 area 90Region 12821 [S21W59] decayed slowly and quietly.