Solar flares on August 11, 2004
The most powerful solar flare in 24 hours
C7.6 (normal) flare - August 11 at 1:41 PM
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+02 (Monaco) — summer time
List of solar flares for August 11, 2004
The total number of solar flares of class C and higher — 17 flares
C class — 17 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:29 | 23:34 | 23:39 | 656 |
| C1.3 | 23:09 | 23:14 | 23:18 | 656 |
| C1.7 | 19:47 | 19:53 | 19:56 | 656 |
| C1.6 | 18:33 | 18:36 | 18:38 | 656 |
| C2.8 | 18:12 | 18:17 | 18:23 | 656 |
| C1.8 | 17:35 | 17:39 | 17:44 | 656 |
| C1.4 | 17:02 | 17:05 | 17:07 | 656 |
| C1.8 | 16:06 | 16:11 | 16:15 | 656 |
| C1.7 | 14:46 | 14:49 | 14:52 | 656 |
| C1.3 | 14:05 | 14:09 | 14:11 | 656 |
| C7.6 | 13:35 | 13:41 | 13:45 | 656 |
| C4.2 | 12:09 | 12:15 | 12:40 | 656 |
| C2.9 | 10:49 | 10:52 | 10:55 | 656 |
| C1.3 | 10:23 | 10:26 | 10:29 | 656 |
| C1.1 | 10:05 | 10:10 | 10:20 | 656 |
| C3.2 | 05:41 | 05:46 | 05:49 | 656 |
| C1.0 | 00:02 | 00:07 | 00:12 | 655 |