Viewing archive of Friday, 23 March 2012

Sunspot numberNew regionsBackground fluxMaximum fluxCM
742B3.3M1.026911

Solar flares

RegionStartMaximumEnd
-C6.5 16:3116:3916:43
1445M1.0 19:3419:4019:44
-B7.0 21:4921:5421:58
-B5.8 22:2622:2922:31
-B3.8 23:2623:2923:31

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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 2019:163
Current stretch spotless days:18

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