Solar flares on December 19, 2015
The most powerful solar flare in 24 hours
C4.5 (normal) flare - December 19 at 10:28 PM
Solar activity index
Value as of the end of the day on December 19, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 18, 2015 to December 19, 2015
Time zone — UTC+00 (London)
List of solar flares for December 19, 2015
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 |
|---|---|---|---|---|
| C4.5 | 21:49 | 22:28 | 23:08 | — |
| C1.1 | 16:58 | 17:10 | 17:24 | 2470 |
| C1.7 | 12:38 | 13:26 | 13:57 | — |
| C1.6 | 10:40 | 10:51 | 11:01 | 2470 |
| C3.1 | 01:59 | 02:04 | 02:08 | 2468 |