Viewing archive of Sunday, 28 August 2005

Sunspot numberNew regionsBackground fluxMaximum fluxM
99 80 -1A8.7M1.691

Solar flares

RegionStartMaximumEnd
-B1.5 06:2706:3106:35
-B1.8 09:1809:2509:30
0803M1.6 10:1710:2810:37
0803B8.2 10:5911:0211:05
0803B4.5 19:4219:5119:54

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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 2019:211
Current stretch spotless days:13

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*since 1994

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