Solar flares on December 27, 2001
The most powerful solar flare in 24 hours
M2.3 (strong) flare - December 27 at 4:58 PM
Solar activity index
Value as of the end of the day on December 27, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 26, 2001 to December 27, 2001
Time zone — UTC+00
List of solar flares for December 27, 2001
The total number of solar flares of class C and higher — 11 flares
C class — 8 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.7 | 21:34 | 21:43 | 21:53 | 9743 |
| C6.5 | 20:19 | 20:27 | 20:33 | 9754 |
| C7.6 | 19:43 | 19:48 | 19:54 | — |
| M2.3 | 16:43 | 16:58 | 17:20 | 9748 |
| C9.0 | 15:26 | 15:31 | 15:36 | 9754 |
| C7.8 | 14:17 | 14:22 | 14:29 | — |
| M1.0 | 11:27 | 11:33 | 11:41 | 9742 |
| C4.2 | 09:36 | 09:39 | 09:45 | — |
| C4.5 | 07:59 | 08:02 | 08:04 | 9752 |
| M1.4 | 05:26 | 06:13 | 06:19 | 9752 |
| C5.7 | 03:41 | 03:45 | 03:50 | 9752 |