Solar flares on December 12, 2001
The most powerful solar flare in 24 hours
M5.6 (strong) flare - December 12 at 5:00 PM
Solar activity index
Value as of the end of the day on December 12, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 11, 2001 to December 12, 2001
Time zone — UTC-05 (Kitchener)
List of solar flares for December 12, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 6 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.1 | 21:33 | 21:41 | 21:59 | 9733 |
| M4.8 | 18:13 | 18:22 | 18:28 | 9727 |
| M5.6 | 16:41 | 17:00 | 17:18 | 9727 |
| C9.3 | 15:20 | 15:24 | 15:28 | 9727 |
| M3.0 | 14:00 | 14:11 | 14:18 | 9733 |
| C4.4 | 09:15 | 09:29 | 09:39 | — |
| C4.8 | 07:24 | 07:28 | 07:31 | 9733 |
| C2.6 | 06:41 | 06:45 | 06:49 | — |
| C3.2 | 03:45 | 03:53 | 03:59 | 9727 |