Viewing archive of Tuesday, 7 December 1999

Sunspot numberNew regionsBackground fluxCM
76 -41C1.141

Solar flares

Region Start Maximum End
- C8.7 01:07 01:12 01:14
- C4.3 10:11 10:18 10:22
8790 C1.1 16:10 16:14 16:18
- C2.9 20:44 20:53 21:12
8791 M1.0 21:15 21:20 21:23

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Current data suggest that it is not possible to see aurora now at middle latitudes
The density of the solar wind is moderate (20.06 p/cm3)

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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 2018:152
Current stretch spotless days:13

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