Viewing archive of Tuesday, 16 April 2002

Sunspot numberNew regionsBackground fluxMaximum fluxCM
172 -710 -1C1.9M2.5641

Solar flares

RegionStartMaximumEnd
9904C2.5 02:1502:1902:23
-C3.8 04:2405:3306:55
9904C9.3 10:3710:4410:54
9893M2.5 12:5313:1913:30
-C2.9 15:3515:4015:44

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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 2019:165
Current stretch spotless days:20

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