Solar flares on April 17, 2002
The most powerful solar flare in 24 hours
M2.6 (strong) flare - April 17 at 2:24 AM
Solar activity index
Value as of the end of the day on April 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 16, 2002 to April 17, 2002
Time zone — UTC-06 (Edmonton) — summer time
List of solar flares for April 17, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:27 | 23:30 | 23:33 | — |
| C4.0 | 21:35 | 21:46 | 21:54 | — |
| C4.4 | 17:11 | 17:19 | 17:24 | — |
| C4.4 | 16:59 | 17:04 | 17:07 | — |
| C9.8 | 10:50 | 10:58 | 11:08 | — |
| C6.9 | 07:37 | 07:42 | 07:48 | 9905 |
| M2.6 | 01:46 | 02:24 | 03:57 | 9906 |
| C1.8 | 00:52 | 00:55 | 00:58 | 9905 |