Viewing archive of Tuesday, 17 April 2001

Solar flares

RegionStartMaximumEnd
-C5.8 03:2504:0104:12
-C1.6 04:5505:0205:18
-C4.7 05:4105:5206:11
-C1.9 12:0612:2912:50
-C2.2 13:4414:0114:15
-C2.5 18:0718:5319:04
-M1.3 21:1821:5722:16

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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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