Sunspot region AR13581

Number of
sunspots
Size Class Magn. Class Spot Location
2024/02/08 1 60 HSX S20E68
2024/02/09 1 80 HSX S21E56
2024/02/10 1 100 HSX S21E44
2024/02/11 2 80 HSX S21E30
2024/02/12 2 50 HSX S21E17
2024/02/13 1 50 HSX S21E06
2024/02/14 1 60 HSX S21W06
2024/02/15 1 50 HSX S22W20
2024/02/16 1 40 HSX S22W35
2024/02/17 1 30 HSX S21W46
2024/02/18 1 20 HSX S21W58
2024/02/19 1 10 AXX S22W74
2024/02/20 1 10 AXX S21W87
2024/02/21 1 10 AXX S21W0*

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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
12001M7.89
22017M6.34
32001M5.75
42025M5.6
52024M3.9
DstG
11960-327G4
22001-228G2
31976-218G4
41973-211G4
51989-93G2
*since 1994

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