Viewing archive of Wednesday, 22 September 1999

Sunspot numberNew regionsBackground fluxMaximum fluxC
103 212 2B4.0C5.283

Solar flares

RegionStartMaximumEnd
-B8.2 01:4701:5602:13
-B7.8 04:0704:1104:15
-B6.7 04:4604:4904:51
8700C1.1 07:0407:1007:18
-B9.5 09:0609:1109:14
-C2.1 10:0210:0610:09
-B7.6 11:1211:1611:19
-C5.2 13:2913:4013:53

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:268
Current stretch spotless days:41

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