Viewing archive of Friday, 17 June 2005

Sunspot numberNew regionsBackground fluxMaximum fluxC
59 -81 1B2.3C2.82

Solar flares

RegionStartMaximumEnd
0780C1.4 18:4519:0419:11
0780B5.4 21:1521:1921:21
0780C2.7 22:1022:3622:43
0780B3.2 23:3523:3823:40

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:215
Current stretch spotless days:17

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