Viewing archive of Thursday, 19 September 2013

Sunspot numberNew regionsBackground fluxMaximum fluxC
85 263 3B3.0C1.82612

Solar flares

RegionStartMaximumEnd
1845B5.0 00:1800:2100:28
1850C1.8 07:5808:1708:52
1850B8.6 11:5412:0012:12
1850B7.2 14:5014:5615:01
1850B8.1 16:2716:3116:42
-B5.4 18:3818:4118:44
-C1.2 22:5923:0023:02

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:156
Current stretch spotless days:12

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