Viewing archive of Thursday, 16 April 2015

Sunspot numberNew regionsBackground fluxMaximum fluxC
851 1B7.5C5.87

Solar flares

RegionStartMaximumEnd
2321C2 05:2506:0506:19
2324C5.7 09:0009:0709:14
2321C2.3 11:1711:2211:30
2321C2 12:2314:0014:12
2321C1.8 16:1616:2516:37
2324C1.4 18:0418:1118:24
2325C3.3 19:0719:1819:34

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:15
Current stretch spotless days:13

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