Location S18E21 area 620

active longitudes
A -322-
B -434-
C -479-
D -256-
E -369-
for 2021-09-07

Region 12866 [S18E21] 620 developed gaining area. The leading and trailing penumbrae are becoming poorly separated. If this development continues a strong magnetic delta will form and the probability of a major flare will become high. A single C1 flare was recorded during the day.