Solar flares on April 17, 2002
The most powerful solar flare in 24 hours
M2.6 (strong) flare - April 17 at 1:24 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-07 (Phoenix)
List of solar flares for April 17, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 22:27 | 22:30 | 22:33 | — |
| C4.0 | 20:35 | 20:46 | 20:54 | — |
| C4.4 | 16:11 | 16:19 | 16:24 | — |
| C4.4 | 15:59 | 16:04 | 16:07 | — |
| C9.8 | 09:50 | 09:58 | 10:08 | — |
| C6.9 | 06:37 | 06:42 | 06:48 | 9905 |
| M2.6 | 00:46 | 01:24 | 02:57 | 9906 |