Solar flares on April 17, 2001
The most powerful solar flare in 24 hours
M1.3 (strong) flare - April 17 at 11:57 PM
Solar activity index
Value as of the end of the day on April 17, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 16, 2001 to April 17, 2001
Time zone — UTC+02 (Zagreb) — summer time
List of solar flares for April 17, 2001
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 |
|---|---|---|---|---|
| M1.3 | 23:18 | 23:57 | 00:16 | — |
| C2.5 | 20:07 | 20:53 | 21:04 | — |
| C2.2 | 15:44 | 16:01 | 16:15 | — |
| C1.9 | 14:06 | 14:29 | 14:50 | — |
| C4.7 | 07:41 | 07:52 | 08:11 | — |
| C1.6 | 06:55 | 07:02 | 07:18 | — |
| C5.8 | 05:25 | 06:01 | 06:12 | — |