Viewing archive of Monday, 18 April 2011

Sunspot numberNew regionsBackground fluxMaximum fluxC
670B3.8C1.89544

Solar flares

RegionStartMaximumEnd
1193C1.8 02:3502:4302:47
-C1.8 03:3203:4804:16
-B6.6 10:5210:5611:02
1193B9.7 15:5616:0216:06
1193C1.5 18:5519:0219:08
1195C1.0 19:1719:2419:31
1190B7.6 23:1223:1523:19

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

92%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:106
Current stretch spotless days:33

This day in history*

Solar flares
11999M2.9
22015M1.0
32000C6.2
42001C5.7
51999C5.5
ApG
1199520G1
2199814G1
3199414
4201311
5200311
*since 1994

Social networks