Solar flares on December 15, 2013
The most powerful solar flare in 24 hours
C3.6 (normal) flare - December 15 at 10:30 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 (Dover)
List of solar flares for December 15, 2013
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 22:21 | 22:30 | 22:44 | 1917 |
| C1.5 | 20:05 | 20:10 | 20:14 | — |
| C1.3 | 05:22 | 05:28 | 05:31 | 1917 |
| C2.8 | 04:08 | 04:13 | 04:16 | — |
| C1.3 | 03:14 | 03:19 | 03:28 | 1926 |