Solar flares on December 17, 2023
The most powerful solar flare in 24 hours
M1.1 (strong) flare - December 17 at 9:17 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+01 (Madrid)
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 | 22:23 | 22:32 | 22:43 | 3526 |
| M1.1 | 21:08 | 21:17 | 21:21 | 3514 |
| C3.8 | 19:04 | 19:21 | 19:31 | 3514 |
| C3.5 | 19:01 | 19:14 | 19:35 | 3514 |
| C3.3 | 18:06 | 18:29 | 18:50 | 3524 |
| C2.1 | 11:19 | 11:25 | 11:31 | 3514 |
| C4.1 | 07:37 | 07:46 | 07:55 | 3514 |
| C2.5 | 07:31 | 07:35 | 07:37 | 3514 |
| C1.7 | 05:37 | 05:45 | 05:53 | 3520 |