Viewing archive of Friday, 13 March 2015

Sunspot numberNew regionsBackground fluxCM
87 312 1B4.862

Solar flares

Region Start Maximum End
2297 C2.0 01:02 01:07 01:13
2297 M1.2 03:47 04:01 04:16
2297 M1.8 05:49 06:07 06:12
2297 C6.9 07:32 07:37 07:40
2297 C1.6 10:50 10:54 10:59
2297 C1.9 11:07 11:23 11:47
- C6.2 20:36 20:46 20:55
- C2.0 22:07 22:19 22:31

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/06/18Kp5 (G1)
Number of spotless days in 2018:85
Last spotless day:2018/06/11

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*since 1994

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