Solar flares on July 17, 2002
The most powerful solar flare in 24 hours
M8.5 (strong) flare - July 17 at 4:43 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-02:30 (Saint john's) — summer time
List of solar flares for July 17, 2002
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 18:12 | 18:16 | 18:23 | 30 |
| C1.6 | 17:39 | 17:43 | 17:49 | — |
| C3.4 | 17:13 | 17:20 | 17:26 | — |
| C1.5 | 16:34 | 16:41 | 16:49 | — |
| M8.5 | 04:28 | 04:43 | 04:49 | 30 |
| C4.0 | 03:15 | 03:21 | 03:26 | 30 |