Location S21E38 area 260

active longitudes
A -233-
B E15-E1
C W30-W44
D -527-
E -280-
for 2021-12-15

Region 12907 [S21E38] 260 developed slowly and continued to be unstable. The magnetic delta within the largest penumbra decayed. C1 flares: C1.9 @ 03:46, C1.7 @ 05:58, C1.6 @ 06:12, C1.6 @ 08:52, C1.5 @ 09:22, C1.7 @ 10:10, C1.5 @ 14:13 UT.