Solar flares on December 17, 2013
The most powerful solar flare in 24 hours
C3.1 (normal) flare - December 17 at 12:33 AM
Solar activity index
Value as of the end of the day on December 17, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2013 to December 17, 2013
Time zone — UTC+03 (Station Vostok)
List of solar flares for December 17, 2013
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 |
|---|---|---|---|---|
| C2.0 | 20:28 | 20:33 | 20:52 | — |
| C3.1 | 23:53 | 00:33 | 01:09 | — |