Solar flares on September 17, 2002
The most powerful solar flare in 24 hours
C8.8 (normal) flare - September 17 at 2:21 AM
Solar activity index
Value as of the end of the day on September 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 16, 2002 to September 17, 2002
Time zone — UTC-07 (Las Vegas) — summer time
List of solar flares for September 17, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 19:07 | 19:22 | 19:39 | 119 |
| C3.8 | 18:10 | 18:19 | 18:29 | 112 |
| C2.8 | 16:57 | 17:12 | 17:26 | 119 |
| C4.0 | 14:25 | 14:51 | 15:00 | — |
| C2.5 | 12:19 | 12:29 | 12:38 | 119 |
| C2.8 | 10:35 | 10:41 | 10:48 | 119 |
| C4.3 | 03:36 | 03:50 | 03:58 | 119 |
| C8.8 | 02:17 | 02:21 | 02:24 | 119 |
| C8.6 | 23:11 | 01:20 | 02:36 | 114 |