Solar flares on December 29, 2011
The most powerful solar flare in 24 hours
M1.9 (strong) flare - December 29 at 7:20 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+05:30 (Ranchi)
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 |
|---|---|---|---|---|
| C1.5 | 23:43 | 23:47 | 23:53 | — |
| C2.9 | 22:57 | 23:02 | 23:16 | 1389 |
| C2.8 | 21:44 | 21:51 | 22:04 | 1389 |
| M1.9 | 19:10 | 19:20 | 19:31 | 1389 |
| C1.0 | 17:07 | 17:11 | 17:16 | — |
| C1.5 | 15:12 | 15:19 | 15:24 | 1389 |
| C5.4 | 14:10 | 14:18 | 14:21 | 1389 |
| C7.3 | 12:42 | 12:48 | 12:52 | 1389 |
| C3.0 | 11:45 | 11:51 | 11:58 | 1389 |
| C1.2 | 10:46 | 10:51 | 11:02 | — |
| C3.0 | 09:28 | 09:35 | 09:41 | 1389 |
| C1.2 | 08:46 | 08:49 | 08:56 | — |
| C6.2 | 02:51 | 02:59 | 03:06 | 1389 |
| C2.3 | 02:23 | 02:37 | 02:40 | 1384 |
| C4.0 | 01:48 | 02:01 | 02:10 | 1386 |
| C1.3 | 01:16 | 01:21 | 01:25 | — |