Viewing archive of Sunday, 12 September 2004

Sunspot numberNew regionsBackground fluxMaximum fluxCM
85 -20B2.8M4.8622

Solar flares

RegionStartMaximumEnd
0672M4.8 00:0400:5601:33
0667M3.2 01:3601:3901:41
-B7.1 11:4911:5712:01
-B7.9 15:2815:3615:40
0669C2 18:2818:3418:42
-B4.9 20:0720:1020:12
-B6.1 20:1420:1720:20
0672B8.8 20:5721:0221:06
0667C1.1 22:2222:2722:30
0669B6.6 22:3822:4322:48
0672B6 23:1123:1423:17

<< 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!

100%

Space weather facts

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 2019:239
Current stretch spotless days:12

This day in history*

Solar flares
11999M8.0
21999M5.6
32005M3.9
41999M2.8
52005M2.6
ApG
1199841G2
2200338G1
3201237G2
4199621G1
5201412
*since 1994

Social networks