Solar flares on July 17, 2002
The most powerful solar flare in 24 hours
M8.5 (strong) flare - July 17 at 3:13 AM
Solar activity index
Value as of the end of the day on July 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 16, 2002 to July 17, 2002
Time zone — UTC-04 (Windsor) — summer time
List of solar flares for July 17, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 5 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.2 | 23:22 | 23:37 | 23:40 | 30 |
| C1.7 | 16:42 | 16:46 | 16:53 | 30 |
| C1.6 | 16:09 | 16:13 | 16:19 | — |
| C3.4 | 15:43 | 15:50 | 15:56 | — |
| C1.5 | 15:04 | 15:11 | 15:19 | — |
| M8.5 | 02:58 | 03:13 | 03:19 | 30 |
| C4.0 | 01:45 | 01:51 | 01:56 | 30 |