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Sunspot region AR11920

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/12/10 1 70 HSX N12E71
2013/12/11 1 60 HAX N12E57
2013/12/12 1 90 HAX N12E44
2013/12/13 2 80 HAX N13E31
2013/12/14 2 70 HAX N12E18
2013/12/15 5 70 HAX N12E05
2013/12/16 3 50 HSX N13W07
2013/12/17 2 40 HSX N12W21
2013/12/18 2 40 HSX N12W21
2013/12/19 1 50 HSX N12W48
2013/12/20 2 60 CSO N13W62
2013/12/22 1 30 HAX N13W88
2013/12/23 1 30 HAX N13W0*
C
3

The top 3 solar flares from sunspot region 11920

Start Maximum End
1C2.732013/12/1010:4110:4510:49
2C2.552013/12/0915:4915:5215:55
3C1.742013/12/1322:5522:5823:02
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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
32012-108G2
41989-105
51979-90G1
*since 1994

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