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Sunspot region AR11903

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/11/18 1 60 HSX S12E77
2013/11/19 2 140 HSX S11E63
2013/11/20 2 130 HAX S10E48
2013/11/21 3 150 HAX S12E36
2013/11/22 6 130 CSO S12E23
2013/11/23 1 100 HSX S14E08
2013/11/24 3 130 CAO S12W05
2013/11/25 2 110 HAX S12W19
2013/11/26 2 90 HAX S12W32
2013/11/27 5 100 CSO S12W42
2013/11/28 2 100 CSO S12W58
2013/11/29 2 110 HAX S12W70
2013/11/30 1 80 HSX S11W83
2013/12/01 1 30 HSX S11W94
2013/12/02 1 30 HSX S11W0*
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Last X-flare2024/09/14X4.54
Last M-flare2024/09/14M3.0
Last geomagnetic storm2024/09/17Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
August 2024215.5 +19
September 2024151.6 -63.9
Last 30 days158.3 -54.2

This day in history*

Solar flares
12023M8.2
22015M3.13
31998M2.71
42002M2.66
52002M2.21
DstG
11989-93
21977-85G2
32015-81G3
41959-77G2
51967-65G2
*since 1994

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