Viewing archive of Sunday, 10 September 2017

Sunspot numberNew regionsBackground fluxMaximum fluxCX
38 -111 1B4.9X8.2841

Solar flares

RegionStartMaximumEnd
2673C9.0 02:4003:0903:25
2673C2.9 09:0209:2009:34
-C1.6 14:1914:2314:25
-C1.0 15:2315:2615:28
2673X8.2 Play15:3516:0616:31

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/05/14Kp7 (G3)
Number of spotless days in 2019:76
Current stretch spotless days:3

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*since 1994

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