Viewing archive of Sunday, 16 May 1999

Sunspot numberNew regionsBackground fluxMaximum fluxCM
151 -160 -2B4.1M1.2623

Solar flares

RegionStartMaximumEnd
-B9.3 10:4210:5411:00
8534M1.2 13:4513:5013:53
8534C1 16:5416:5717:00
8534M1.1 17:2017:2517:28
8534C5.7 20:0720:1320:23
8541M1 22:2522:3322:37

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:239
Current stretch spotless days:12

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*since 1994

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