Sunspot region AR8504

Number of
sunspots
Size Class Magn. Class Spot Location
1999/03/31 3 140 HSX S28E61
1999/04/01 4 90 CAO S28E47
1999/04/02 4 110 CAO S28E36
1999/04/03 7 70 CSO S28E23
1999/04/04 10 70 DSO S28E11
1999/04/05 10 50 DSO S28W02
1999/04/06 11 50 DSO S28W15
1999/04/07 6 20 BXO S28W27
1999/04/08 4 10 BXO S27W40

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Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/25M1.3
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days136.8 +28.6

This day in history*

Solar flares
11998X1.54
22006X1.13
32003M2.46
42001M1.81
52023M1.8
ApG
11956172G4
2195554G4
3193761G3
4196031G3
5199530G2
*since 1994

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