Viewing archive of Saturday, 13 March 1999

Sunspot numberNew regionsBackground fluxCM
107 90B5.271

Solar flares

Region Start Maximum End
- C1.0 01:51 01:55 02:04
8487 C1.1 03:37 03:43 03:45
8487 C1.1 04:59 05:02 05:04
8487 C2.7 05:06 05:16 05:30
- C1.1 09:04 09:09 09:13
- C4.3 10:48 10:54 11:00
- C2.7 11:14 11:22 11:34
8487 M1.9 20:22 20:34 20:39

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/09/22Kp5 (G1)
Number of spotless days in 2018:153
Current stretch spotless days:13

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