Solar flares on July 11, 2003
The most powerful solar flare in 24 hours
C3.1 (normal) flare - July 11 at 6:48 PM
Solar activity index
Value as of the end of the day on July 11, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 10, 2003 to July 11, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for July 11, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 22:26 | 22:30 | 22:34 | — |
| C3.1 | 18:42 | 18:48 | 18:59 | — |
| C1.5 | 03:47 | 04:14 | 04:51 | 397 |
| C1.1 | 02:32 | 02:39 | 02:42 | 397 |