Viewing archive of Friday, 22 October 1999

Sunspot numberNew regionsBackground fluxMaximum fluxC
153 -12 2C1.1C4.834

Solar flares

RegionStartMaximumEnd
8732C4.8 09:1009:1609:29
8732C3.4 14:0414:0714:13
-C2.1 18:2518:2918:36
8739C2.7 19:2419:2919:35

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:190
Current stretch spotless days:20

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