Viewing archive of Thursday, 15 February 2001

Sunspot numberNew regionsBackground fluxMaximum flux
113 142 2B3.0B8.89

Solar flares

RegionStartMaximumEnd
-B6.4 05:3105:3305:36
-B4.6 10:4010:4310:46
-B8.8 13:0814:1615:18
-B8.5 20:2021:0621:31

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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 2019:219
Current stretch spotless days:21

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