Viewing archive of Tuesday, 30 April 2013

Sunspot numberNew regionsBackground fluxMaximum fluxC
165 290 -2B6.7C3.64247

Solar flares

RegionStartMaximumEnd
1731C1.3 00:0800:1200:16
1730C2.2 01:5301:5902:06
1731C1.0 03:1403:1703:19
1730C1.8 08:3908:4508:55
1730C1.3 17:4517:5318:02
1730C3.6 19:2919:5920:17
1730C2.6 20:4320:4820:54

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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 2019:209
Current stretch spotless days:11

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