Solar flares on August 11, 2003
The most powerful solar flare in 24 hours
C1.1 (normal) flare - August 11 at 9:54 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-04 (Thunder bay) — summer time
List of solar flares for August 11, 2003
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 21:42 | 21:54 | 22:02 | 431 |
| C1.0 | 21:23 | 21:29 | 21:33 | 431 |