Solar flares on December 23, 2001
The most powerful solar flare in 24 hours
M1.7 (strong) flare - December 23 at 7:32 PM
Solar activity index
Value as of the end of the day on December 23, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 22, 2001 to December 23, 2001
Time zone — UTC-05 (Kitchener)
List of solar flares for December 23, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 21:59 | 22:04 | 22:10 | 9742 |
| M1.7 | 19:26 | 19:32 | 19:37 | 9754 |
| M1.2 | 18:08 | 18:36 | 18:53 | 9748 |
| C4.8 | 17:38 | 17:47 | 17:52 | — |
| C3.9 | 14:12 | 14:18 | 14:28 | — |
| C5.0 | 07:47 | 07:52 | 07:57 | — |
| C7.1 | 06:00 | 06:10 | 06:18 | — |
| C3.2 | 05:39 | 05:43 | 05:52 | — |
| C3.1 | 03:11 | 03:16 | 03:21 | 9748 |