Sunspot region AR13827

Number of
sunspots
Size Class Magn. Class Spot Location
2024/09/16 1 120 HSX S28E62
2024/09/17 1 120 HHX S27E49
2024/09/18 3 100 CKO S26E33
2024/09/19 3 110 CAO S27E21
2024/09/20 4 120 CAO S26E07
2024/09/21 4 120 CAO S26W07
2024/09/22 1 120 HSX S26W21
2024/09/23 3 120 CAO S26W33
2024/09/24 2 110 HAX S25W46
2024/09/25 2 90 HAX S26W52
2024/09/26 2 80 HAX S26W71
2024/09/27 1 30 HSX S28W77
2024/09/28 1 30 HSX S28W97

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.1 -22.5

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

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