Viewing archive of Saturday, 11 April 2015

Sunspot numberNew regionsBackground fluxC
74 403 3B6.34

Solar flares

RegionStartMaximumEnd
2321C4.7 02:2902:4102:55
2322B8.7 09:4109:4409:46
2321B9.4 15:4615:5015:54
2321C1.4 16:1816:2616:37
2321C2.1 17:1217:4117:54
2321C1.8 20:1421:0021:50

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/03/17Kp5 (G1)
Number of spotless days in 2019:66
Current stretch spotless days:5

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