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Sunspot region AR12681

Number of
sunspots		 Size Class Magn. Class Spot Location
2017/09/21 1 60 HSX S12E73
2017/09/22 1 80 HSX S13E59
2017/09/23 1 80 HSX S13E46
2017/09/24 2 90 CSO S13E32
2017/09/25 1 90 HSX S13E19
2017/09/26 3 100 CSO S12E04
2017/09/27 7 120 CSO S15W09
2017/09/28 1 80 HSX S13W21
2017/09/29 1 70 HSX S14W35
2017/09/30 1 70 HSX S14W48
2017/10/01 1 60 HSX S14W61
2017/10/02 1 60 HSX S14W74
B
4

The top 4 solar flares from sunspot region 12681

Start Maximum End
1B8.182017/09/2514:3515:1415:32
2B7.782017/09/2502:1402:3502:46
3B3.812017/09/2814:0914:3415:33
4B3.472017/09/2423:2023:2723:37
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
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*since 1994

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