Viewing archive of Sunday, 20 February 2005

Sunspot numberNew regionsBackground fluxMaximum flux
60 91 1A7.0B3.85

Solar flares

RegionStartMaximumEnd
-B1.4 04:1804:2204:25
-B1.7 04:4504:4804:51
-B1.6 06:4306:4906:59
0735B1 12:0112:0512:07
-B3.8 15:3216:2817:52

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:264
Current stretch spotless days:37

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