Viewing archive of Tuesday, 16 April 2002

Sunspot numberNew regionsBackground fluxCM
172 -710 -1C1.941

Solar flares

Region Start Maximum End
9904 C2.5 02:15 02:19 02:23
- C3.8 04:24 05:33 06:55
9904 C9.3 10:37 10:44 10:54
9893 M2.5 12:53 13:19 13:30
- C2.9 15:35 15:40 15:44

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/09/21Kp5 (G1)
Number of spotless days in 2018:150
Current stretch spotless days:10

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