Sunspot region AR8631

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/12 1 80 HAX N11E77
1999/07/13 1 140 HAX N11E64
1999/07/14 1 160 HAX N11E50
1999/07/15 2 130 HAX N10E38
1999/07/16 2 120 HAX N11E24
1999/07/17 7 170 CAO N11E10
1999/07/18 7 80 DAO N11W03
1999/07/19 9 90 DSO N12W16
1999/07/20 5 60 CSO N12W29
1999/07/21 3 30 HSX N12W42
1999/07/22 2 30 HSX N12W54
1999/07/23 2 20 AXX N11W69
1999/07/24 3 10 BXO N14W80

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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

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