Solar flares on April 17, 2013
The most powerful solar flare in 24 hours
C1.3 (normal) flare - April 17 at 8:11 PM
Solar activity index
Value as of the end of the day on April 17, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 16, 2013 to April 17, 2013
Time zone — UTC+00
List of solar flares for April 17, 2013
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 20:49 | 20:52 | 20:57 | 1719 |
| C1.3 | 19:50 | 20:11 | 20:29 | 1719 |
| C1.3 | 04:39 | 04:43 | 04:47 | 1719 |