Sunspot region AR10120

Number of
sunspots
Size Class Magn. Class Spot Location
2002/09/17 1 40 HSX S19E57
2002/09/18 4 40 CSO S19E43
2002/09/19 4 20 BXO S18E30
2002/09/20 4 20 CSO S19E17
2002/09/21 4 20 BXO S18E03
2002/09/22 3 10 BXO S19W10
C
1

The top 1 solar flares from sunspot region 10120

Start Maximum End
1C2.382002/09/2304:3604:4904:53

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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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