Viewing archive of Friday, 17 August 2001

Solar flares

RegionStartMaximumEnd
9581C1.6 00:0700:1100:17
-B5.5 01:4601:5001:57
-B8.7 02:4703:0103:14
-B5.9 09:2209:2509:27
9585B7.5 13:2613:3313:46
-C1.0 15:1415:2115:30
-B9.6 23:3923:4223:45

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:217
Current stretch spotless days:19

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