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-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025125.7 +33.9
Last 30 days109.3 +18.1

This day in history*

Solar flares
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32024M3.81
42001M1.92
52014M1.9
DstG
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*since 1994

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