Viewing archive of Sunday, 3 September 2017

Sunspot numberNew regionsBackground fluxMaximum fluxC
96 251B3.3C1.152

Solar flares

RegionStartMaximumEnd
-C1.0 04:1804:4104:54
2672B7.5 08:3909:2609:48
-B5.9 10:1910:2210:34
2673C1.1 20:4520:5020:55

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:213
Current stretch spotless days:16

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*since 1994

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