Sunspot region AR10812

Number of
sunspots
Size Class Magn. Class Spot Location
2005/09/24 4 30 CSO S01E73
2005/09/25 3 30 CAO S03E62
2005/09/26 3 20 CSO S02E45
2005/09/27 2 20 HSX S01E32
2005/09/28 2 20 HAX S02E20
2005/09/29 1 20 HAX S02E05
2005/09/30 1 20 HSX S03W08
2005/10/01 3 20 CSO S03W20

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
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*since 1994

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