Solar flares on December 18, 2012
The most powerful solar flare in 24 hours
C1.4 (normal) flare - December 18 at 1:08 PM
Solar activity index
Value as of the end of the day on December 18, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 17, 2012 to December 18, 2012
Time zone — UTC+00 (London)
List of solar flares for December 18, 2012
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 | 16:37 | 16:42 | 16:45 | 1633 |
| C1.4 | 13:00 | 13:08 | 13:12 | 1631 |