Viewing archive of Wednesday, 28 October 2015

Sunspot numberNew regionsBackground fluxMaximum fluxC
71 -71B6.6C1.95

Solar flares

RegionStartMaximumEnd
2437C1.2 05:5306:0606:23
-C1.3 07:0507:0807:11
2437C1.6 08:3308:3908:47
2436C1.9 09:3109:3709:42
2436C1.8 09:5010:2310:55
-B7.8 17:0417:0717:10

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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 2019:130
Current stretch spotless days:12

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*since 1994

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