Solar flares on July 17, 2002
The most powerful solar flare in 24 hours
M8.5 (strong) flare - July 17 at 10:13 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+03 (Bucharest) — summer time
List of solar flares for July 17, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 23:42 | 23:46 | 23:53 | 30 |
| C1.6 | 23:09 | 23:13 | 23:19 | — |
| C3.4 | 22:43 | 22:50 | 22:56 | — |
| C1.5 | 22:04 | 22:11 | 22:19 | — |
| M8.5 | 09:58 | 10:13 | 10:19 | 30 |
| C4.0 | 08:45 | 08:51 | 08:56 | 30 |
| C2.3 | 05:03 | 05:08 | 05:14 | — |
| C2.0 | 01:44 | 01:50 | 01:55 | 30 |
| C1.9 | 01:21 | 01:27 | 01:32 | 37 |
| C2.6 | 00:22 | 00:38 | 00:48 | 30 |