Viewing archive of Monday, 20 May 2013

Sunspot numberNew regionsBackground fluxCM
1132 2B7.071

Solar flares

Region X-ray Start Maximum End
1748 C4.0 00:41 00:47 00:53
1755 M1.7 05:16 05:25 06:03
1748 C2.7 14:21 14:28 14:32
1748 C9.6 14:59 15:06 15:10
1748 C6.0 16:20 16:26 16:30
1748 C1.3 19:14 19:18 19:29
1753 C1.6 20:02 20:10 20:18
1748 C1.3 22:27 22:30 22:33

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/04/20Kp6 (G2)
Number of spotless days in 2018:65
Last spotless day:2018/04/18

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