Solar flares on December 13, 2006
The most powerful solar flare in 24 hours
X3.4 (very strong) flare - December 13 at 2:40 AM
Solar activity index
Value as of the end of the day on December 13, 2006
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 12, 2006 to December 13, 2006
Time zone — UTC+00 (London)
List of solar flares for December 13, 2006
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 18:18 | 18:25 | 18:31 | 930 |
| C2.2 | 14:14 | 14:23 | 14:33 | 930 |
| X3.4 | 02:14 | 02:40 | 02:57 | 930 |