Solar flares on April 9, 2013
The most powerful solar flare in 24 hours
C2.9 (normal) flare - April 9 at 10:59 AM
Solar activity index
Value as of the end of the day on April 9, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 8, 2013 to April 9, 2013
Time zone — UTC+02 (Prague) — summer time
List of solar flares for April 9, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 22:34 | 22:38 | 22:40 | 1718 |
| C1.5 | 21:51 | 22:03 | 22:12 | — |
| C1.0 | 16:46 | 16:50 | 16:54 | — |
| C1.5 | 15:28 | 15:32 | 15:36 | 1718 |
| C1.6 | 13:32 | 13:41 | 13:58 | 1718 |
| C2.9 | 10:30 | 10:59 | 11:17 | 1718 |
| C2.2 | 09:17 | 09:24 | 09:28 | 1718 |
| C2.2 | 02:14 | 02:21 | 02:30 | 1713 |
| C1.5 | 01:45 | 01:48 | 01:51 | 1713 |