Region 9420

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-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:163
Current stretch spotless days:18

This day in history*

Solar flares
12002X3.1
21998X1.0
32014M5.9
42015M5.6
52001M3.5
ApG
12005102G4
2199929G2
3201020
4200320G1
5201619G1
*since 1994

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