Viewing archive of Thursday, 18 September 2014

Sunspot numberNew regionsBackground fluxMaximum fluxCM
75 -160 -3B5.3C6.431741

Solar flares

RegionStartMaximumEnd
2168C1.4 01:0601:1201:20
2169C6.4 07:0207:0907:12
2169M1.2 08:3708:4108:53
-B9.0 15:5415:5816:00
2169C3.4 17:2517:3017:32
-C1.0 21:1121:1921:30

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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 2019:214
Current stretch spotless days:16

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