Solar flares on December 28, 2015
The most powerful solar flare in 24 hours
M1.8 (strong) flare - December 28 at 12:45 PM
Solar activity index
Value as of the end of the day on December 28, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 27, 2015 to December 28, 2015
Time zone — UTC+00
List of solar flares for December 28, 2015
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 22:43 | 22:49 | 22:52 | 2473 |
| C4.1 | 16:56 | 17:01 | 17:03 | 2473 |
| C7.5 | 15:23 | 15:31 | 15:46 | 2473 |
| M1.8 | 11:20 | 12:45 | 14:09 | 2473 |
| C8.0 | 00:18 | 00:28 | 00:39 | 2473 |