Solar flares on July 13, 2003
The most powerful solar flare in 24 hours
C2.9 (normal) flare - July 13 at 11:10 PM
Solar activity index
Value as of the end of the day on July 13, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 12, 2003 to July 13, 2003
Time zone — UTC+00
List of solar flares for July 13, 2003
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 23:05 | 23:10 | 23:14 | 409 |
| C2.2 | 22:40 | 22:52 | 22:56 | 409 |
| C1.1 | 19:36 | 19:50 | 20:00 | 409 |
| C1.5 | 12:15 | 12:26 | 12:36 | 409 |
| C1.0 | 10:52 | 11:00 | 11:03 | 409 |
| C1.4 | 01:02 | 01:20 | 01:42 | 404 |