Solar flares on December 23, 2011
The most powerful solar flare in 24 hours
C3.4 (normal) flare - December 23 at 7:18 PM
Solar activity index
Value as of the end of the day on December 23, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 22, 2011 to December 23, 2011
Time zone — UTC+00 (London)
List of solar flares for December 23, 2011
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 21:35 | 21:39 | 21:43 | 1382 |
| C3.4 | 19:12 | 19:18 | 19:25 | 1376 |
| C1.5 | 10:09 | 10:14 | 10:17 | 1384 |
| C1.8 | 04:10 | 04:15 | 04:34 | — |