Solar flares on April 9, 2013
The most powerful solar flare in 24 hours
C2.9 (normal) flare - April 9 at 3:59 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-05 (Jackson) — summer time
List of solar flares for April 9, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 20:50 | 21:16 | 21:25 | 1718 |
| C1.1 | 15:34 | 15:38 | 15:40 | 1718 |
| C1.5 | 14:51 | 15:03 | 15:12 | — |
| C1.0 | 09:46 | 09:50 | 09:54 | — |
| C1.5 | 08:28 | 08:32 | 08:36 | 1718 |
| C1.6 | 06:32 | 06:41 | 06:58 | 1718 |
| C2.9 | 03:30 | 03:59 | 04:17 | 1718 |
| C2.2 | 02:17 | 02:24 | 02:28 | 1718 |