Solar flares on December 11, 2023
The most powerful solar flare in 24 hours
C9.1 (normal) flare - December 11 at 10:38 PM
Solar activity index
Value as of the end of the day on December 11, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 10, 2023 to December 11, 2023
Time zone — UTC-05 (Toronto)
List of solar flares for December 11, 2023
The total number of solar flares of class C and higher — 14 flares
C class — 14 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.1 | 22:27 | 22:38 | 22:46 | 3514 |
| C1.3 | 19:02 | 19:15 | 19:28 | 3511 |
| C1.7 | 16:52 | 17:10 | 17:25 | 3514 |
| C1.6 | 14:56 | 15:02 | 15:07 | 3511 |
| C4.4 | 10:21 | 10:32 | 10:56 | 3511 |
| C1.8 | 10:03 | 10:13 | 10:21 | 3511 |
| C3.7 | 08:38 | 08:46 | 08:50 | 3511 |
| C2.5 | 08:05 | 08:08 | 08:12 | 3511 |
| C2.2 | 07:41 | 07:50 | 08:05 | 3511 |
| C1.0 | 07:24 | 07:29 | 07:33 | 3511 |
| C3.6 | 05:54 | 06:05 | 06:11 | 3511 |
| C1.4 | 04:43 | 04:50 | 04:55 | 3511 |
| C3.3 | 03:42 | 03:46 | 03:51 | 3511 |
| C1.3 | 03:15 | 03:27 | 03:32 | 3511 |