Sunspot region AR8151

Number of
sunspots
Size Class Magn. Class Spot Location
1998/02/04 2 30 CSO S24E75
1998/02/05 2 60 CSO S24E61
1998/02/06 4 60 HSX S22E49
1998/02/07 2 60 HSX S23E38
1998/02/08 1 30 HSX S21E24
1998/02/09 1 40 HSX S22E11
1998/02/10 1 40 HRX S22W02
1998/02/11 1 50 HSX S24W14
1998/02/12 1 20 HSX S24W26
1998/02/13 1 0 AXX S24W40
1998/02/14 1 0 AXX S24W52
1998/02/15 1 0 AXX S24W67
1998/02/16 1 0 AXX S22W80

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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 2025152.5 -2.1
Last 30 days130.7 -17.9

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