Viewing archive of Thursday, 21 March 2013

Sunspot numberNew regionsBackground fluxCM
60 -101B2.841

Solar flares

Region X-ray Start Maximum End
1692 B6.7 07:20 07:25 07:28
1692 B4.2 10:30 10:34 10:39
1692 B5.7 11:37 11:43 11:49
1692 C1.0 15:25 15:31 15:45
1692 B6.4 16:46 16:57 17:07
1692 C3.5 18:10 18:22 18:28
1692 C1.9 20:20 20:29 20:40
- C1.1 21:17 21:21 21:24
1692 M1.6 21:42 22:04 22:36

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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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