Solar flares on December 12, 2013
The most powerful solar flare in 24 hours
C5.9 (normal) flare - December 12 at 5:14 PM
Solar activity index
Value as of the end of the day on December 12, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 11, 2013 to December 12, 2013
Time zone — UTC-05 (Quebec)
List of solar flares for December 12, 2013
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 22:05 | 22:15 | 22:31 | 1917 |
| C2.2 | 20:33 | 20:38 | 20:41 | 1917 |
| C5.9 | 17:05 | 17:14 | 17:19 | 1921 |
| C1.6 | 14:30 | 14:34 | 14:39 | — |
| C2.6 | 11:36 | 11:43 | 11:48 | 1917 |
| C2.3 | 06:32 | 06:39 | 07:09 | 1917 |
| C3.4 | 01:38 | 01:59 | 02:37 | 1917 |