Viewing archive of Sunday, 15 April 2001

Sunspot numberNew regionsBackground fluxCX
100 -490 -2B5.571

Solar flares

Region Start Maximum End
- C2.2 04:04 04:08 04:12
- C1.0 04:27 04:32 04:35
9415 C3.6 05:53 06:14 06:39
- C6.7 07:50 08:01 08:15
9415 C7.7 08:26 08:45 09:07
- C5.3 10:56 11:04 11:11
9415 X14.4 Play 13:19 13:50 13:55
- C5.1 21:59 22:07 22:22

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/05/06Kp6 (G2)
Number of spotless days in 2018:78
Current stretch spotless days:2

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