Solar flares on December 27, 2011
The most powerful solar flare in 24 hours
C8.9 (normal) flare - December 27 at 4:22 AM
Solar activity index
Value as of the end of the day on December 27, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 26, 2011 to December 27, 2011
Time zone — UTC+00 (London)
List of solar flares for December 27, 2011
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 21:46 | 22:26 | 22:49 | — |
| C1.7 | 19:32 | 19:36 | 19:40 | — |
| C2.5 | 18:31 | 18:36 | 18:43 | 1387 |
| C1.5 | 17:25 | 17:30 | 17:35 | — |
| C6.2 | 11:59 | 12:07 | 12:34 | 1387 |
| C4.0 | 09:17 | 09:23 | 09:26 | 1387 |
| C3.8 | 08:11 | 08:22 | 08:32 | 1387 |
| C8.9 | 04:11 | 04:22 | 04:31 | 1386 |