Solar flares on December 11, 2001
The most powerful solar flare in 24 hours
X2.8 (very strong) flare - December 11 at 2:08 AM
Solar activity index
Value as of the end of the day on December 11, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 10, 2001 to December 11, 2001
Time zone — UTC-06 (Jackson)
List of solar flares for December 11, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.6 | 22:48 | 22:56 | 23:02 | 9736 |
| C3.4 | 21:36 | 21:50 | 22:04 | 9727 |
| C3.4 | 12:54 | 13:01 | 13:08 | — |
| M1.3 | 08:42 | 08:51 | 08:57 | 9727 |
| C4.6 | 04:06 | 04:19 | 04:29 | — |
| X2.8 | 01:58 | 02:08 | 02:14 | 9733 |