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-flare2024/05/15X2.9
Last M-flare2024/05/15M3.2
Last geomagnetic storm2024/05/13Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024151.7 +15.2
Last 30 days176.9 +74.3

This day in history*

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*since 1994

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