S18E63 Data 2021-09-03
Long Jupiter -50 area 30New region 12866 [S18E63] emerged September 3 as 7064
S18E63 Data 2021-09-04
Long Jupiter -49 area 30New region 12866 [S18E63] emerged September 3 and developed further September 4 when it was numbered by SWPC.
S17E49 Data 2021-09-05
Long Jupiter -34 area 30Region 12866 [S17E49] developed further and could produce C flares.
S17E34 Data 2021-09-06
Long Jupiter -19 area 420Region 12866 [S17E34] 420 developed slowly and was mostly quiet.
S18E21 Data 2021-09-07
Long Jupiter -5 area 620Region 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.
S18E08 Data 2021-09-08
Long Jupiter 9 area 500Region 12866 [S18E08] 500 displayed minor penumbral fragmentation and produced a C1.2 flare at 10:26 and a C8.3 flare at 17:30 UT.
S18W04 Data 2021-09-09
Long Jupiter 22 area 500Region 12866 [S18W04] 500 is a compact region with M class flare potential. The region produced a single C flare during the day.
S18W18 Data 2021-09-10
Long Jupiter 37 area 460Region 12866 [S18W18] 460 decayed significantly in the trailing spots section. The region was mostly quiet.
S18W30 Data 2021-09-12
Long Jupiter 49 area 300Region 12866 [S18W30] 300
S18W44 Data 2021-09-12
Long Jupiter 64 area 180Region 12866 [S18W44] 180 continued to decay quickly and was quiet.
S19W58 Data 2021-09-13
Long Jupiter 78 area 100Region 12866 [S19W58] 100 decayed quietly.
S19W73 Data 2021-09-14
Long Jupiter 95 area 60Region 12866 [S19W73] 60 decayed further and was mostly quiet.