Viewing archive of Sunday, 17 February 2013

Sunspot numberNew regionsBackground fluxMaximum fluxCM
74 -11 -1B2.3M1.962131

Solar flares

RegionStartMaximumEnd
1675C1.0 00:3100:3600:38
1675B5.6 04:2004:3104:45
1675B3.8 10:3410:3810:46
1675C2.5 15:2615:4015:43
1675M1.9 15:4515:5015:52
-B3.7 17:5918:1018:15
1675C1.0 19:5720:0020:02
1675B5.5 20:1720:2020:23
1675B6.3 21:2121:2521:30

<< 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!

91%

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:2019/05/14Kp7 (G3)
Number of spotless days in 2019:74
Last spotless day:2019/05/02

This day in history*

Solar flares
12000M1.1
22013C9.9
32000C8.5
42001C6.7
52013C6.3
ApG
1201513G1
2201712
3200712
4201311
5200211
*since 1994

Social networks