Solar flares on August 13, 2003
The most powerful solar flare in 24 hours
C6.8 (normal) flare - August 13 at 10:51 PM
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-08 (Anchorage) — summer time
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 |
|---|---|---|---|---|
| C6.8 | 22:11 | 22:51 | 23:34 | 431 |
| C1.9 | 18:12 | 18:24 | 18:47 | 431 |
| C2.1 | 14:58 | 15:15 | 15:24 | — |
| C1.2 | 06:48 | 06:53 | 06:55 | 431 |
| C1.1 | 06:12 | 06:15 | 06:18 | 431 |
| C3.0 | 01:37 | 01:49 | 02:02 | 431 |
| C2.0 | 00:29 | 00:33 | 00:38 | 431 |