Solar flares on December 4, 2013
The most powerful solar flare in 24 hours
C6.8 (normal) flare - December 4 at 12:56 AM
Solar activity index
Value as of the end of the day on December 4, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 3, 2013 to December 4, 2013
Time zone — UTC+00 (London)
List of solar flares for December 4, 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 |
|---|---|---|---|---|
| C1.1 | 22:18 | 22:22 | 22:32 | — |
| C6.2 | 20:14 | 20:37 | 20:52 | — |
| C4.7 | 04:38 | 04:58 | 05:22 | 1913 |
| C6.8 | 00:20 | 00:56 | 01:10 | — |