Sunspot region AR9737

Number of
sunspots
Size Class Magn. Class Spot Location
2001/12/11 3 10 BXO S27E52
2001/12/12 5 120 DSO S27E39
2001/12/13 8 80 DAO S28E26
2001/12/14 6 30 DSO S28E13
2001/12/15 8 40 DSO S28E00
2001/12/16 6 70 DAO S27W12
2001/12/17 4 40 DSO S28W24
2001/12/18 3 50 DAO S28W37
2001/12/19 1 20 AXX S27W52
2001/12/22 1 10 HSX S29W83

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Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days127.7 -23.5

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