Viewing archive of Saturday, 13 December 2014

Sunspot numberNew regionsCM
121 -110 -271

Solar flares

RegionStartMaximumEnd
2237C2.6 00:0400:1200:20
2227C2.7 03:1303:1803:25
-M1.5 05:1305:2005:25
2227C5.4 05:5505:5906:05
-C2.2 06:5607:0307:09
-C6.0 08:3808:4608:50
2227C4.0 10:0310:1010:16
-C3.8 10:4910:5310:56

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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

This day in history*

Solar flares
12005X1.3
22005M6.7
32012M3.2
42005M2.7
52010M2.3
ApG
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2199425G1
3200418
4200318
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*since 1994

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