N18W32 Data 2021-04-18
Long Jupiter -76 area 30New region 12817 [N18W32] emerged on April 18 as S6825
N18W46 Data 2021-04-19
Long Jupiter -61 area 140New region 12817 [N18W46] emerged on April 18 and developed quickly on April 19 when it was numbered by SWPC.
N19W60 Data 2021-04-20
Long Jupiter -46 area 380Region 12817 [N19W60] developed quickly and could produce further C flares. M class flares are possible as well as the region matures. A C1.9 long duration event was recorded peaking at 12:15 UT.
N19W74 Data 2021-04-21
Long Jupiter -32 area 270Region 12817 [N19W74] decayed slightly losing area as it rotated to the northwest limb. A C1.5 flare was recorded at 01:29 UT.
N18W84 Data 2021-04-22
Long Jupiter -21 area 10Region 12817 [N18W84] rotated partly out of view. The region became quite active after 07h UT producing many C flares, the largest a C8 flare just after 20h UT. An M class flare is possible while the region is 1-2 days behind the west limb.