Solar flares on August 13, 2003
The most powerful solar flare in 24 hours
C3.0 (normal) flare - August 13 at 9:49 AM
Solar activity index
Value as of the end of the day on August 13, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 12, 2003 to August 13, 2003
Time zone — UTC+00
List of solar flares for August 13, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 22:58 | 23:15 | 23:24 | — |
| C1.2 | 14:48 | 14:53 | 14:55 | 431 |
| C1.1 | 14:12 | 14:15 | 14:18 | 431 |
| C3.0 | 09:37 | 09:49 | 10:02 | 431 |
| C2.0 | 08:29 | 08:33 | 08:38 | 431 |
| C1.2 | 07:09 | 07:14 | 07:23 | 431 |
| C1.0 | 02:34 | 02:41 | 02:50 | 431 |