Solar flares on December 18, 2013
The most powerful solar flare in 24 hours
C1.8 (normal) flare - December 18 at 8:10 AM
Solar activity index
Value as of the end of the day on December 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 17, 2013 to December 18, 2013
Time zone — UTC-07 (Edmonton)
List of solar flares for December 18, 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 |
|---|---|---|---|---|
| C1.3 | 15:59 | 16:03 | 16:06 | 1930 |
| C1.8 | 08:07 | 08:10 | 08:15 | 1930 |