Viewing archive of Monday, 20 September 2010

Sunspot numberNew regionsBackground fluxMaximum fluxC
38 -120B1.5C2.173

Solar flares

RegionStartMaximumEnd
1109B3.7 18:1118:1418:16
1109C2.1 19:3419:4519:49
1109C1.2 20:5921:0321:05
1109C1 22:1922:2522:27
1109B8.2 23:3823:4323:45

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
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Current stretch spotless days:10

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