Solar flares on August 17, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 17 at 3:51 PM
Solar activity index
Value as of the end of the day on August 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 16, 2002 to August 17, 2002
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for August 17, 2002
The total number of solar flares of class C and higher — 17 flares
C class — 16 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.4 | 22:28 | 22:34 | 22:37 | 69 |
| C3.2 | 20:43 | 20:49 | 20:57 | 69 |
| C3.3 | 19:03 | 19:08 | 19:11 | 69 |
| M3.4 | 15:39 | 15:51 | 15:57 | 69 |
| C4.0 | 14:45 | 14:50 | 14:54 | — |
| C3.4 | 14:27 | 14:31 | 14:37 | — |
| C3.0 | 11:39 | 11:43 | 11:48 | — |
| C4.8 | 10:30 | 10:38 | 10:42 | 69 |
| C4.9 | 09:41 | 10:13 | 10:30 | 69 |
| C4.1 | 09:21 | 09:27 | 09:32 | 69 |
| C3.6 | 08:34 | 09:11 | 09:22 | 69 |
| C2.5 | 04:03 | 04:11 | 04:17 | 69 |
| C2.1 | 03:44 | 03:58 | 04:03 | 69 |
| C5.0 | 01:53 | 01:57 | 02:00 | 69 |
| C4.6 | 01:30 | 01:33 | 01:35 | 69 |
| C4.3 | 01:19 | 01:27 | 01:29 | 69 |
| C3.2 | 00:00 | 00:05 | 00:08 | 69 |