Sunspot region AR9491

Number of
sunspots
Size Class Magn. Class Spot Location
2001/06/06 1 90 HSX N22E75
2001/06/07 1 100 HSX N23E63
2001/06/08 1 140 HSX N24E50
2001/06/09 1 140 HSX N24E37
2001/06/10 2 170 HAX N25E23
2001/06/11 1 130 HAX N25E10
2001/06/12 1 110 HSX N25W03
2001/06/13 3 100 CSO N26W14
2001/06/14 4 100 CSO N27W27
2001/06/15 3 90 CSO N28W40
2001/06/16 2 70 HSX N24W53
2001/06/17 1 110 HSX N28W66
2001/06/18 2 100 HAX N27W79
2001/06/19 2 70 HAX N27W91

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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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