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-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/19Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202681 -4.9
Last 30 days92.5 +30.9

This day in history*

Solar flares
12022X2.25
22022M7.29
32001M5.99
41998M1.96
52022M1.9
DstG
12002-149G3
21985-124G3
31981-97G2
41973-76G2
51975-70G2
*since 1994

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