Viewing archive of Thursday, 24 February 2011

Sunspot numberNew regionsBackground fluxCM
23 -41 1B2.621

Solar flares

Region Start Maximum End
1161 B3.9 02:49 02:53 02:57
1163 M3.5 07:23 07:35 07:42
1163 C1.8 13:47 13:53 13:56
1163 B8.5 17:12 17:40 17:51
- B5.9 18:20 18:23 18:41
- B9.1 18:56 19:00 19:08
1163 C2.7 19:34 19:38 19:43
1163 B9.2 19:50 19:53 19:58

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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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