Viewing archive of Wednesday, 21 March 2001

Sunspot numberNew regionsBackground fluxCM
136 382 -1B9.671

Solar flares

Region X-ray Start Maximum End
- C1.5 01:06 01:12 01:30
9373 M1.8 02:28 02:37 02:42
9389 C5.6 06:56 07:24 07:30
- C2.3 10:22 10:27 10:31
- C1.9 10:45 10:48 10:55
9373 C9.8 11:22 11:27 11:32
- C1.7 13:00 13:05 13:17
- C2.1 20:05 20:12 20:15

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
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Number of spotless days in 2018:65
Last spotless day:2018/04/18

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