Solar flares on December 20, 2015
The most powerful solar flare in 24 hours
M2.8 (strong) flare - December 20 at 8:03 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-05 (Barrie)
List of solar flares for December 20, 2015
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:50 | 23:58 | 00:04 | 2472 |
| C2.4 | 22:10 | 22:16 | 22:21 | 2472 |
| M2.8 | 19:52 | 20:03 | 20:11 | 2472 |
| C5.4 | 18:48 | 18:58 | 19:05 | — |
| C6.0 | 17:33 | 17:44 | 17:56 | — |
| C2.3 | 16:41 | 16:50 | 17:08 | — |
| C2.4 | 14:22 | 14:44 | 14:58 | 2468 |
| C1.6 | 06:17 | 06:34 | 06:57 | — |
| C1.2 | 05:26 | 05:38 | 05:47 | 2470 |
| C1.2 | 02:23 | 02:56 | 03:24 | — |
| C3.8 | 22:57 | 00:13 | 00:55 | — |