Viewing archive of Wednesday, 20 March 2013

Sunspot numberNew regionsBackground fluxMaximum fluxC
70 21 1B3.1C5.50113

Solar flares

RegionStartMaximumEnd
1698C5.5 00:3901:0201:25
1692C1.3 06:0906:1506:20
1692B4.5 11:3811:4211:46
1692B5.0 18:3618:4118:46
1692C1.0 19:2619:3219:37
1692B8.4 22:1422:2222:32

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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:13

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