Sunspot region AR13991

Number of
sunspots
Size Class Magn. Class Spot Location
2025/02/11 1 30 HSX S12E70
2025/02/12 3 30 CSO S12E56
2025/02/13 2 20 HRX S12E44
2025/02/14 1 20 HRX S12E30
2025/02/15 2 10 AXX S12E17
2025/02/16 6 20 CRO S13E03
2025/02/17 1 10 AXX S13W11
2025/02/18 1 10 AXX S14W24
2025/02/22 2 10 AXX S13W78
2025/02/23 3 10 CRO S13W92
2025/02/24 3 10 CRO S09W99
C
2

The top 2 solar flares from sunspot region 13991

Start Maximum End
1C8.02025/02/1923:2323:4523:59
2C7.22025/02/1118:0518:2518:43

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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/14M1.1
Last geomagnetic storm2025/03/14Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025125.9 -28.7
Last 30 days136.5 -20.3

This day in history*

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DstG
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*since 1994

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