Solar flares on July 11, 2004
The most powerful solar flare in 24 hours
C4.2 (normal) flare - July 11 at 10:35 AM
Solar activity index
Value as of the end of the day on July 11, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 10, 2004 to July 11, 2004
Time zone — UTC-03 (Halifax) — summer time
List of solar flares for July 11, 2004
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 21:57 | 22:05 | 22:20 | — |
| C3.0 | 20:17 | 20:43 | 21:01 | — |
| C1.7 | 19:51 | 19:59 | 20:14 | — |
| C2.5 | 18:04 | 18:12 | 18:21 | — |
| C3.2 | 16:40 | 16:50 | 16:58 | — |
| C3.3 | 14:24 | 14:34 | 14:41 | — |
| C2.8 | 13:49 | 13:58 | 14:06 | — |
| C4.2 | 10:16 | 10:35 | 10:50 | — |
| C2.4 | 07:17 | 07:29 | 07:46 | — |
| C4.2 | 06:37 | 06:44 | 06:51 | — |
| C3.6 | 03:03 | 04:53 | 05:34 | — |