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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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Filaments and prominences 481AR 13901 90Incoming & Unnumbered Active Regions 1245Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

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