Viewing archive of Friday, 18 April 2003

Sunspot numberNew regionsBackground fluxMaximum fluxM
51 141B2.1M1.121

Solar flares

RegionStartMaximumEnd
0337B6.6 10:4710:5210:57
0337B7.6 11:4711:5211:56
0337B4.8 13:5314:0014:12
-B3.3 16:0616:1016:16
-B5.6 16:1816:2616:38
0337M1.1 19:5019:5820:02

<< 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 2019:105
Current stretch spotless days:32

This day in history*

Solar flares
12013C8.4
22015C8.1
32002C5.5
41999C5.1
52011C4.7
ApG
1199529G2
2199418G1
3200314
4200112
5199612
*since 1994

Social networks