Solar flares on August 17, 2004
The most powerful solar flare in 24 hours
M2.4 (strong) flare - August 17 at 7:37 PM
Solar activity index
Value as of the end of the day on August 17, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 16, 2004 to August 17, 2004
Time zone — UTC+00
List of solar flares for August 17, 2004
The total number of solar flares of class C and higher — 14 flares
C class — 10 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.3 | 22:12 | 22:28 | 22:37 | 656 |
| M1.8 | 21:12 | 21:21 | 21:39 | 656 |
| M2.4 | 19:26 | 19:37 | 19:48 | 656 |
| C7.2 | 18:00 | 18:14 | 18:28 | 656 |
| C1.6 | 16:05 | 16:48 | 17:03 | 656 |
| C8.8 | 13:19 | 13:40 | 13:51 | 656 |
| C1.8 | 10:44 | 10:47 | 10:50 | 661 |
| C4.1 | 09:52 | 09:58 | 10:02 | 656 |
| C4.9 | 08:32 | 08:37 | 08:42 | 656 |
| C5.2 | 07:35 | 07:40 | 07:47 | 656 |
| M1.1 | 04:59 | 05:06 | 05:14 | 656 |
| C4.5 | 03:35 | 03:47 | 04:10 | 656 |
| C2.9 | 01:57 | 02:03 | 02:06 | 656 |
| C2.9 | 00:41 | 00:50 | 00:59 | 656 |