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
0669C2.0 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
0672B6.0 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%

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:2019/09/02Kp5 (G1)
Number of spotless days in 2019:189
Current stretch spotless days:19

This day in history*

Solar flares
12011M1.8
21999C9.4
32015C8.8
42001C7.7
52004C7.5
ApG
1199629G1
2200318
3199716G1
4199812
5199911
*since 1994

Social networks