Viewing archive of Friday, 12 April 2013

Sunspot numberNew regionsBackground fluxMaximum fluxCM
128 70B5.9M3.347641

Solar flares

RegionStartMaximumEnd
1718C2.2 04:0204:1404:22
1718C1.4 17:0317:2417:51
1719C1.1 18:0018:1518:24
1718C2.1 18:4018:4819:01
1718M3.3 19:5220:3820:46

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:190
Current stretch spotless days:20

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