Viewing archive of Thursday, 11 February 2016

Sunspot numberNew regionsBackground fluxMaximum fluxC
68 -140B2.8C8.923

Solar flares

RegionStartMaximumEnd
2497B4.7 04:0804:1304:19
2497C2.6 16:2216:4917:04
2497C8.9 20:1821:0321:28
-C1.2 23:5423:5900:02

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/05/14Kp7 (G3)
Number of spotless days in 2019:76
Current stretch spotless days:3

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*since 1994

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