Solar flares on December 11, 2013
The most powerful solar flare in 24 hours
C2.7 (normal) flare - December 11 at 11:06 PM
Solar activity index
Value as of the end of the day on December 11, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 10, 2013 to December 11, 2013
Time zone — UTC+00 (London)
List of solar flares for December 11, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 22:49 | 23:06 | 23:17 | 1917 |
| C1.7 | 20:37 | 20:45 | 21:01 | 1916 |
| C1.2 | 13:54 | 14:01 | 14:12 | 1916 |
| C1.7 | 11:46 | 11:53 | 12:01 | — |