Solar flares on July 17, 2003
The most powerful solar flare in 24 hours
C9.8 (normal) flare - July 17 at 8:23 AM
Solar activity index
Value as of the end of the day on July 17, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 16, 2003 to July 17, 2003
Time zone — UTC+00
List of solar flares for July 17, 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 |
|---|---|---|---|---|
| C5.1 | 23:48 | 23:56 | 00:01 | 410 |
| C1.3 | 20:10 | 20:13 | 20:17 | — |
| C3.8 | 18:36 | 18:40 | 18:43 | 410 |
| C2.2 | 18:14 | 18:22 | 18:29 | 412 |
| C2.8 | 17:39 | 17:44 | 17:48 | 410 |
| C1.4 | 16:49 | 16:54 | 16:58 | 410 |
| C2.6 | 15:21 | 15:29 | 15:37 | 410 |
| C2.3 | 08:58 | 09:14 | 09:23 | 410 |
| C9.8 | 08:17 | 08:23 | 08:29 | 412 |
| C1.1 | 02:11 | 02:46 | 03:08 | — |