Viewing archive of Sunday, 16 December 2001

Sunspot numberNew regionsBackground fluxCM
204 62 1C1.632

Solar flares

RegionStartMaximumEnd
9733M1.5 01:1401:2401:29
9733M1.0 03:0903:2803:48
9733C8.5 07:3307:4307:57
-C2.7 10:4311:1111:19
9743C3.2 14:1514:2414:34

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:12
Current stretch spotless days:13

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