Solar flares on December 17, 2023
The most powerful solar flare in 24 hours
M1.1 (strong) flare - December 17 at 8:17 PM
Solar activity index
Value as of the end of the day on December 17, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2023 to December 17, 2023
Time zone — UTC+00
List of solar flares for December 17, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 21:23 | 21:32 | 21:43 | 3526 |
| M1.1 | 20:08 | 20:17 | 20:21 | 3514 |
| C3.8 | 18:04 | 18:21 | 18:31 | 3514 |
| C3.5 | 18:01 | 18:14 | 18:35 | 3514 |
| C3.3 | 17:06 | 17:29 | 17:50 | 3524 |
| C2.1 | 10:19 | 10:25 | 10:31 | 3514 |
| C4.1 | 06:37 | 06:46 | 06:55 | 3514 |
| C2.5 | 06:31 | 06:35 | 06:37 | 3514 |
| C1.7 | 04:37 | 04:45 | 04:53 | 3520 |