Viewing archive of Tuesday, 7 December 1999

Sunspot numberNew regionsBackground fluxCM
76 -41C1.141

Solar flares

RegionStartMaximumEnd
-C8.7 01:0701:1201:14
-C4.3 10:1110:1810:22
8790C1.1 16:1016:1416:18
-C2.9 20:4420:5321:12
8791M1.0 21:1521:2021:23

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/11/05Kp6 (G2)
Number of spotless days in 2018:206
Last spotless day:2018/12/13

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