Viewing archive of Thursday, 13 December 2001

Sunspot numberNew regionsBackground fluxCMX
212 293 2C2.1421

Solar flares

RegionStartMaximumEnd
9733C4.1 02:3302:4102:59
9727M1.8 06:3206:4007:00
-C3.1 10:0610:1210:24
-C3.4 13:2213:2613:31
-C2.4 13:5814:0314:07
9733X6.2 Play14:2014:3014:35
9727M1.4 22:4423:0723:17

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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
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Last spotless day:2018/12/13

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