Viewing archive of Friday, 15 May 2015

Sunspot numberNew regionsBackground fluxMaximum fluxC
113 -130 -1B5.1C2.60177

Solar flares

RegionStartMaximumEnd
2339C1.1 01:5802:0202:04
2339B9.5 03:1703:2103:25
2339C1.1 05:2205:2505:28
-C1.8 06:4406:5006:53
2339C1.1 08:3808:4308:48
2339C1.2 09:0509:1209:20
2342C2.0 22:1822:3022:39
-C2.5 23:2223:2923:33

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/07/10Kp5 (G1)
Number of spotless days in 2019:129
Current stretch spotless days:11

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*since 1994

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