Viewing archive of Tuesday, 27 April 2004

Sunspot numberNew regionsBackground fluxMaximum fluxC
28 -190 -1A7.8C3.181

Solar flares

RegionStartMaximumEnd
0599B1.7 00:0000:0400:10
0599C3.1 07:0807:2307:37
-B6.4 13:5714:0614:17
-B1.2 21:5321:5722:02

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:190
Current stretch spotless days:20

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*since 1994

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