Viewing archive of Sunday, 21 August 2005

Sunspot numberNew regionsBackground fluxMaximum fluxC
77 30 -1B1.8C2.881

Solar flares

RegionStartMaximumEnd
0798B8.0 00:5401:0001:05
0798C2.8 10:0610:1910:24
0799B4.6 14:3114:3714:43
0799B4.0 15:0115:0515:07
-B2.4 19:4319:4619:48
0798B3.9 22:3022:3422:39

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:105
Current stretch spotless days:33

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