Viewing archive of Thursday, 6 April 2017

Sunspot numberNew regionsBackground fluxMaximum fluxC
38 10B1.6C5.582

Solar flares

RegionStartMaximumEnd
2645B2.9 06:4706:5006:52
2645B8.4 07:2307:3207:43
2645B4.0 08:3909:3409:45
2645C1.1 10:1510:2610:29
2645C5.5 12:0112:1012:20
2645B5.5 17:2117:2717:34
2645B4.8 21:0621:1621:21
2645B4.7 22:5923:0423:11

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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 2019:215
Current stretch spotless days:17

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