Solar flares on December 22, 2012
The most powerful solar flare in 24 hours
C1.9 (normal) flare - December 22 at 10:20 PM
Solar activity index
Value as of the end of the day on December 22, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 21, 2012 to December 22, 2012
Time zone — UTC+00 (London)
List of solar flares for December 22, 2012
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:56 | 23:04 | 23:09 | 1633 |
| C1.9 | 22:15 | 22:20 | 22:23 | 1633 |
| C1.1 | 20:42 | 20:47 | 20:50 | 1633 |
| C1.4 | 17:31 | 17:32 | 17:33 | 1633 |
| C1.9 | 03:57 | 04:05 | 04:09 | 1635 |