Solar flares on August 17, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - August 17 at 10:51 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+02 (Berlin) — summer time
List of solar flares for August 17, 2002
The total number of solar flares of class C and higher — 18 flares
C class — 14 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.4 | 22:39 | 22:51 | 22:57 | 69 |
| C4.0 | 21:45 | 21:50 | 21:54 | — |
| C3.4 | 21:27 | 21:31 | 21:37 | — |
| C3.0 | 18:39 | 18:43 | 18:48 | — |
| C4.8 | 17:30 | 17:38 | 17:42 | 69 |
| C4.9 | 16:41 | 17:13 | 17:30 | 69 |
| C4.1 | 16:21 | 16:27 | 16:32 | 69 |
| C3.6 | 15:34 | 16:11 | 16:22 | 69 |
| C2.5 | 11:03 | 11:11 | 11:17 | 69 |
| C2.1 | 10:44 | 10:58 | 11:03 | 69 |
| C5.0 | 08:53 | 08:57 | 09:00 | 69 |
| C4.6 | 08:30 | 08:33 | 08:35 | 69 |
| C4.3 | 08:19 | 08:27 | 08:29 | 69 |
| C3.2 | 07:00 | 07:05 | 07:08 | 69 |
| M1.1 | 02:58 | 03:08 | 03:14 | 83 |
| C4.1 | 02:02 | 02:14 | 02:31 | 69 |
| M1.7 | 01:29 | 01:33 | 01:35 | 69 |
| M1.2 | 00:07 | 00:12 | 00:15 | 69 |