Viewing archive of Wednesday, 4 May 2016

Sunspot numberNew regionsBackground fluxMaximum fluxC
67 101 1B2.6C1.792

Solar flares

RegionStartMaximumEnd
2541B6.9 01:0301:2201:35
2535C1.3 13:4113:5114:07
2539B3.2 18:2118:2418:28
-B3.0 19:5920:0320:06
2542C1.7 22:4322:4822:51

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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 2019:215
Current stretch spotless days:17

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