Sunspot region AR9420

Number of
sunspots
Size Class Magn. Class Spot Location
2001/04/06 1 40 HSX S08E76
2001/04/07 2 70 HSX S06E62
2001/04/08 2 70 HSX S07E49
2001/04/09 1 80 HSX S06E36
2001/04/10 1 40 HSX S07E22
2001/04/11 3 50 CSO S07E10
2001/04/12 4 50 CSO S07W05
2001/04/13 1 40 HSX S07W18
2001/04/14 3 40 CAO S08W31
2001/04/15 4 10 HRX S07W44
2001/04/16 1 20 HRX S07W59
2001/04/17 1 20 HRX S06W71
2001/04/18 1 0 AXX S07W83

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Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M2.1
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days136.8 +28.6

This day in history*

Solar flares
11998X1.54
22006X1.13
32003M2.46
42024M2.1
52001M1.81
ApG
11956172G4
2195554G4
3193761G3
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*since 1994

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