Solar flares on December 20, 2015
The most powerful solar flare in 24 hours
C6.0 (normal) flare - December 20 at 10:44 PM
Solar activity index
Value as of the end of the day on December 20, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 19, 2015 to December 20, 2015
Time zone — UTC+00
List of solar flares for December 20, 2015
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.4 | 23:48 | 23:58 | 00:05 | — |
| C6.0 | 22:33 | 22:44 | 22:56 | — |
| C2.3 | 21:41 | 21:50 | 22:08 | — |
| C2.4 | 19:22 | 19:44 | 19:58 | 2468 |
| C1.6 | 11:17 | 11:34 | 11:57 | — |
| C1.2 | 10:26 | 10:38 | 10:47 | 2470 |
| C1.2 | 07:23 | 07:56 | 08:24 | — |
| C3.8 | 03:57 | 05:13 | 05:55 | — |