Solar flares on August 11, 2003
The most powerful solar flare in 24 hours
C1.1 (normal) flare - August 11 at 10:35 PM
Solar activity index
Value as of the end of the day on August 11, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 10, 2003 to August 11, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for August 11, 2003
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 22:30 | 22:35 | 22:38 | 424 |
| C1.1 | 17:42 | 17:54 | 18:02 | 431 |
| C1.0 | 17:23 | 17:29 | 17:33 | 431 |