Solar flares on August 11, 2004
The most powerful solar flare in 24 hours
C7.6 (normal) flare - August 11 at 11:41 AM
Solar activity index
Value as of the end of the day on August 11, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 10, 2004 to August 11, 2004
Time zone — UTC+00
List of solar flares for August 11, 2004
The total number of solar flares of class C and higher — 18 flares
C class — 18 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 22:22 | 22:37 | 22:56 | 656 |
| C1.0 | 22:05 | 22:10 | 22:15 | 656 |
| C1.0 | 21:29 | 21:34 | 21:39 | 656 |
| C1.3 | 21:09 | 21:14 | 21:18 | 656 |
| C1.7 | 17:47 | 17:53 | 17:56 | 656 |
| C1.6 | 16:33 | 16:36 | 16:38 | 656 |
| C2.8 | 16:12 | 16:17 | 16:23 | 656 |
| C1.8 | 15:35 | 15:39 | 15:44 | 656 |
| C1.4 | 15:02 | 15:05 | 15:07 | 656 |
| C1.8 | 14:06 | 14:11 | 14:15 | 656 |
| C1.7 | 12:46 | 12:49 | 12:52 | 656 |
| C1.3 | 12:05 | 12:09 | 12:11 | 656 |
| C7.6 | 11:35 | 11:41 | 11:45 | 656 |
| C4.2 | 10:09 | 10:15 | 10:40 | 656 |
| C2.9 | 08:49 | 08:52 | 08:55 | 656 |
| C1.3 | 08:23 | 08:26 | 08:29 | 656 |
| C1.1 | 08:05 | 08:10 | 08:20 | 656 |
| C3.2 | 03:41 | 03:46 | 03:49 | 656 |