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Sunspot region AR12906

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/12/13 4 10 BXO S29E38
2021/12/14 4 50 CSO S28E24
2021/12/15 4 120 DAO S29E09
2021/12/16 9 60 CSO S29W04
2021/12/17 7 50 CSO S29W15
2021/12/18 4 20 CRO S29W28
2021/12/19 1 20 HRX S31W45
2021/12/20 1 10 AXX S29W57
BC
111

The top 10 solar flares from sunspot region 12906

Start Maximum End
1C1.62021/12/1421:5522:0622:12
2B8.02021/12/1415:2315:3015:39
3B5.92021/12/1418:1918:3018:39
4B4.92021/12/1406:3506:4206:51
5B4.22021/12/1410:0810:1810:22
6B4.12021/12/1411:2911:3811:46
7B3.92021/12/1410:3710:4310:47
8B3.62021/12/1407:4807:5507:59
9B3.52021/12/1412:1612:1912:23
10B3.22021/12/1412:5313:0013:24
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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
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October 2024166.4 +25
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Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
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52005M3.72
DstG
11960-167G3
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*since 1994

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