Solar flares on December 15, 2013
The most powerful solar flare in 24 hours
C2.8 (normal) flare - December 15 at 2:43 PM
Solar activity index
Value as of the end of the day on December 15, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 14, 2013 to December 15, 2013
Time zone — UTC+05:30 (Loni)
List of solar flares for December 15, 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 |
|---|---|---|---|---|
| C1.3 | 15:52 | 15:58 | 16:01 | 1917 |
| C2.8 | 14:38 | 14:43 | 14:46 | — |
| C1.3 | 13:44 | 13:49 | 13:58 | 1926 |
| C1.4 | 03:22 | 03:29 | 03:39 | 1925 |