Viewing archive of Tuesday, 21 March 2000

Sunspot numberNew regionsBackground fluxMaximum fluxCM
191 -491 -1C1.3M1.0641

Solar flares

RegionStartMaximumEnd
8910C5.2 02:3602:4302:49
8910C7.1 07:1707:2407:28
-C5.3 07:4207:4607:49
8918M1.0 14:1214:2414:35
-C8.8 21:2821:4121:57

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/07/10Kp5 (G1)
Number of spotless days in 2019:130
Current stretch spotless days:12

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*since 1994

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