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-flare2024/12/08X2.2
Last M-flare2024/12/23M8.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024106.6 -45.9
Last 30 days116.1 -41.8

This day in history*

Solar flares
12024M8.9
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31998M3.34
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52013M1.97
DstG
12002-67
22000-62G2
31989-60
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*since 1994

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