Solar flares on August 15, 2003
The most powerful solar flare in 24 hours
C7.7 (normal) flare - August 15 at 12:18 AM
Solar activity index
Value as of the end of the day on August 15, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 14, 2003 to August 15, 2003
Time zone — UTC+00 (Reykjavik)
List of solar flares for August 15, 2003
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.3 | 22:01 | 22:34 | 23:26 | — |
| C2.3 | 16:22 | 16:27 | 16:30 | — |
| C1.0 | 15:12 | 15:15 | 15:20 | 431 |
| C2.3 | 13:05 | 13:08 | 13:11 | 431 |
| C2.3 | 11:23 | 11:28 | 11:31 | 431 |
| C1.5 | 10:58 | 11:01 | 11:05 | 431 |
| C1.4 | 08:39 | 08:44 | 08:57 | 431 |
| C2.0 | 06:14 | 06:17 | 06:22 | 431 |
| C3.1 | 02:33 | 02:42 | 02:51 | — |
| C7.7 | 23:54 | 00:18 | 00:45 | 431 |