Solar flares on December 16, 2001
The most powerful solar flare in 24 hours
M1.5 (strong) flare - December 16 at 1:24 AM
Solar activity index
Value as of the end of the day on December 16, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 15, 2001 to December 16, 2001
Time zone — UTC+00
List of solar flares for December 16, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 3 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 14:15 | 14:24 | 14:34 | 9743 |
| C2.7 | 10:43 | 11:11 | 11:19 | — |
| C8.5 | 07:33 | 07:43 | 07:57 | 9733 |
| M1.0 | 03:09 | 03:28 | 03:48 | 9733 |
| M1.5 | 01:14 | 01:24 | 01:29 | 9733 |