Viewing archive of Saturday, 10 April 1999

Sunspot numberNew regionsBackground fluxC
129 -100 -1B3.51

Solar flares

RegionStartMaximumEnd
-B5.1 00:5000:5300:57
-B8.1 02:5303:0003:24
8508C1.5 05:2806:1507:30
-B4.2 19:3119:3419:36

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:12
Current stretch spotless days:13

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