Viewing archive of Tuesday, 17 May 2005

Sunspot numberNew regionsBackground fluxCM
45 -250B1.431

Solar flares

Region Start Maximum End
0763 B5.5 00:21 00:28 00:31
0763 B5.6 01:34 01:38 01:40
0763 M1.8 02:31 02:39 02:52
0763 C8.4 03:58 04:03 04:05
0763 C2.8 05:47 05:53 05:55
- B6.1 09:56 10:02 10:05
0763 B3.3 15:14 15:25 15:41
0759 B2.2 16:44 16:48 16:50
0762 B2.6 22:13 22:32 22:37
0763 C1.1 23:47 23:53 23:58

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/07/05Kp5 (G1)
Number of spotless days in 2018:130
Last spotless day:2018/08/13

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