Solar flares on December 17, 2015
The most powerful solar flare in 24 hours
C1.7 (normal) flare - December 17 at 1:35 PM
Solar activity index
Value as of the end of the day on December 17, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2015 to December 17, 2015
Time zone — UTC+01 (Valletta)
List of solar flares for December 17, 2015
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 13:22 | 13:35 | 13:49 | 2470 |
| C1.3 | 06:29 | 06:33 | 06:35 | 2470 |