Viewing archive of Wednesday, 20 January 1999

Sunspot numberNew regionsBackground fluxMaximum fluxCM
156 -260 -2C1.0M5.2851

Solar flares

RegionStartMaximumEnd
-C1.4 01:4701:5101:57
-C2.0 02:0302:0702:10
-C2.2 07:3207:4307:59
8440C2.1 12:4112:5013:07
8439C2.0 14:1914:3314:59
-M5.2 19:0620:0421:00

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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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*since 1994

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