Solar flares on December 29, 2011
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 29 at 4:50 PM
Solar activity index
Value as of the end of the day on December 29, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 28, 2011 to December 29, 2011
Time zone — UTC+03 (Kursk)
List of solar flares for December 29, 2011
The total number of solar flares of class C and higher — 16 flares
C class — 15 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:25 | 23:32 | 23:39 | 1389 |
| C2.3 | 22:18 | 22:25 | 22:32 | 1389 |
| C1.5 | 21:13 | 21:17 | 21:23 | — |
| C2.9 | 20:27 | 20:32 | 20:46 | 1389 |
| C2.8 | 19:14 | 19:21 | 19:34 | 1389 |
| M1.9 | 16:40 | 16:50 | 17:01 | 1389 |
| C1.0 | 14:37 | 14:41 | 14:46 | — |
| C1.5 | 12:42 | 12:49 | 12:54 | 1389 |
| C5.4 | 11:40 | 11:48 | 11:51 | 1389 |
| C7.3 | 10:12 | 10:18 | 10:22 | 1389 |
| C3.0 | 09:15 | 09:21 | 09:28 | 1389 |
| C1.2 | 08:16 | 08:21 | 08:32 | — |
| C3.0 | 06:58 | 07:05 | 07:11 | 1389 |
| C1.2 | 06:16 | 06:19 | 06:26 | — |
| C6.2 | 00:21 | 00:29 | 00:36 | 1389 |
| C2.3 | 23:53 | 00:07 | 00:10 | 1384 |