Viewing archive of Sunday, 20 May 2001

Sunspot numberNew regionsBackground fluxCM
99 71B8.082

Solar flares

Region X-ray Start Maximum End
- C2.0 02:20 02:25 02:28
- C1.0 03:19 03:23 03:27
- C2.5 05:43 05:48 05:54
- M6.4 06:00 06:03 06:06
- M1.5 09:12 09:20 09:23
- B9.7 09:43 09:47 09:50
- C1.0 10:31 10:35 10:42
- C6.1 11:35 11:40 11:43
- C1.1 11:50 11:54 12:03
- B8.0 13:19 13:23 13:35
- C2.9 14:32 14:41 14:46
- B9.2 19:07 19:16 19:23
- C1.3 19:30 19:40 19:45

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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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