Solar flares on August 11, 2002
The most powerful solar flare in 24 hours
C9.5 (normal) flare - August 11 at 11:47 AM
Solar activity index
Value as of the end of the day on August 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 10, 2002 to August 11, 2002
Time zone — UTC+00
List of solar flares for August 11, 2002
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 22:10 | 22:22 | 22:31 | — |
| C3.6 | 21:22 | 21:26 | 21:29 | 58 |
| C1.7 | 20:22 | 20:26 | 20:29 | — |
| C7.9 | 17:35 | 18:01 | 18:13 | — |
| C3.0 | 16:45 | 16:49 | 16:51 | — |
| C2.3 | 14:39 | 14:50 | 15:10 | 61 |
| C2.3 | 14:07 | 14:13 | 14:20 | 69 |
| C1.9 | 13:50 | 13:57 | 14:03 | — |
| C2.2 | 13:30 | 13:34 | 13:41 | 66 |
| C9.5 | 11:37 | 11:47 | 11:58 | — |
| C1.8 | 09:23 | 09:28 | 09:32 | — |
| C1.5 | 08:55 | 08:59 | 09:07 | — |