Viewing archive of Friday, 20 December 2013

Solar flares

RegionStartMaximumEnd
-C2.2 02:5302:5803:02
-C1.5 04:4504:4804:53
1934C2.2 11:0511:1111:18
1934M1.6 11:3511:5712:07
1928C3.2 14:5215:0415:15
1928C8.5 15:2615:3315:39
1928C5.4 16:2316:3016:34
1928C2.3 17:1117:1417:19
-C2.7 21:0821:1621:23

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2020:11
Current stretch spotless days:9

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*since 1994

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