Viewing archive of Wednesday, 20 March 2019

Sunspot numberNew regionsBackground fluxMaximum fluxC
28 131 1A1.5C4.821

Solar flares

RegionStartMaximumEnd
-B1.1 00:1700:2000:22
-B6.1 07:0507:1407:25
-B3.5 06:2807:5008:18
2736C4.8 10:3511:1811:34
2736B4.4 12:1912:2512:28
2736B1 13:0613:0913:14
2736B1 13:4013:4313:49
2736B2.1 14:2314:3214:48
2736B3.8 17:3517:5918:12
2736B1.8 21:1921:2421:32

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:72
Last spotless day:2020/03/30

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*since 1994

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