Sunspot region AR10117

Number of
sunspots
Size Class Magn. Class Spot Location
2002/09/16 1 130 HSX S09E72
2002/09/17 1 170 HSX S09E59
2002/09/18 2 150 HKX S10E46
2002/09/19 1 180 HAX S09E32
2002/09/20 1 200 HSX S10E18
2002/09/21 1 180 HSX S10E05
2002/09/22 2 170 HSX S09W07
2002/09/23 3 160 HSX S09W21
2002/09/24 3 180 CSO S10W34
2002/09/25 1 160 HSX S08W48
2002/09/26 4 190 DSO S09W60
2002/09/27 1 170 HSX S08W76
2002/09/28 1 120 HSX S08W89

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Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days139.7 +33.3

This day in history*

Solar flares
11998M9.27
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32003M1.69
42022M1.2
52022M1.2
ApG
1195658G4
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*since 1994

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