Solar flares on August 13, 2003
The most powerful solar flare in 24 hours
C3.0 (normal) flare - August 13 at 5:49 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-04 (Augusta) — 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 |
|---|---|---|---|---|
| C1.9 | 22:12 | 22:24 | 22:47 | 431 |
| C2.1 | 18:58 | 19:15 | 19:24 | — |
| C1.2 | 10:48 | 10:53 | 10:55 | 431 |
| C1.1 | 10:12 | 10:15 | 10:18 | 431 |
| C3.0 | 05:37 | 05:49 | 06:02 | 431 |
| C2.0 | 04:29 | 04:33 | 04:38 | 431 |
| C1.2 | 03:09 | 03:14 | 03:23 | 431 |