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Sunspot region AR12863

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/09/02 7 70 CAO S16E28
2021/09/03 9 160 DSO S16E15
2021/09/04 5 90 CSO S16E02
2021/09/05 4 40 CSO S16W11
2021/09/06 4 100 CSO S16W23
2021/09/07 2 80 HSX S16W41
2021/09/08 1 80 HSX S17W53
2021/09/09 2 90 HSX S16W66
2021/09/10 1 70 HSX S15W80
2021/09/11 1 30 HSX S17W92
2021/09/12 1 30 HSX S17W0*
B
12

The top 10 solar flares from sunspot region 12863

Start Maximum End
1B6.32021/09/0315:5916:0616:27
2B6.22021/09/0706:2406:2806:33
3B4.72021/09/0306:3006:3906:45
4B4.72021/09/0612:5913:0413:08
5B4.72021/09/0616:5717:0117:05
6B4.02021/09/0203:4903:5203:58
7B3.92021/09/0200:4100:4600:50
8B3.82021/09/0300:3900:4700:58
9B3.62021/09/0223:3723:4223:47
10B3.12021/09/0223:2523:3323:37
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Last X-flare2024/09/14X4.54
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Spotless days
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August 2024215.5 +19
September 2024147.6 -68
Last 30 days153.9 -57.9

This day in history*

Solar flares
12011X2.14
22023M1.9
32011M1.7
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52023M1.4
DstG
11982-210G4
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*since 1994

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