Viewing archive of Friday, 2 February 2001

Sunspot numberNew regionsBackground fluxMaximum fluxCM
109 -320 -2B7.2M1.4731

Solar flares

RegionStartMaximumEnd
9334M2.4 23:4800:0600:20
-C1.3 02:2602:3002:34
-C2.39 08:4709:1810:33
-C3.3 19:0920:3722:07

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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 2019:159
Current stretch spotless days:15

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