Viewing archive of Saturday, 17 August 2013

Sunspot numberNew regionsBackground fluxMaximum fluxCM
96 -81 1B3.9M3.316422

Solar flares

RegionStartMaximumEnd
1818B6.7 02:5903:0403:10
1818C1.3 03:2503:3003:36
1818B8.9 10:1610:1910:23
1818B8.7 10:5210:5711:10
1817B6.3 12:2712:3012:44
-C1.8 13:2713:4914:24
1818M3.3 18:1618:2418:35
1818M1.4 18:4919:3319:54

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:157
Current stretch spotless days:12

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