Viewing archive of Sunday, 14 December 1997

Sunspot numberNew regionsBackground fluxMaximum fluxC
66 -41 1B1.6C1.111

Solar flares

RegionStartMaximumEnd
-B1.8 05:5305:5906:09
-B4.2 09:1609:2509:35
8122C1.2 15:2316:1116:39
-B4.4 21:2521:4422:35

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:210
Current stretch spotless days:12

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