Viewing archive of Thursday, 19 December 2013

Sunspot numberNew regionsBackground fluxMaximum fluxCM
138 201 -2B8.0M3.532171

Solar flares

RegionStartMaximumEnd
1930C1.8 07:0907:2107:33
1921C1.4 08:1708:2808:49
1928C1.8 09:0309:1809:24
1921C1.6 10:1410:2610:31
1928C2.2 15:2615:3515:54
1931C1.3 19:0819:1219:15
1917C1.4 19:3919:4219:45
1934M3.5 23:0623:1923:26

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Last X-flare:2017/09/10X8.2
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Last geomagnetic storm:2019/05/14Kp7 (G3)
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Current stretch spotless days:6

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