Solar flares on December 13, 2013
The most powerful solar flare in 24 hours
C5.9 (normal) flare - December 13 at 12:14 AM
Solar activity index
Value as of the end of the day on December 13, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 12, 2013 to December 13, 2013
Time zone — UTC+02 (Riga)
List of solar flares for December 13, 2013
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 05:05 | 05:15 | 05:31 | 1917 |
| C2.2 | 03:33 | 03:38 | 03:41 | 1917 |
| C5.9 | 00:05 | 00:14 | 00:19 | 1921 |