Solar flares on December 17, 2001
The most powerful solar flare in 24 hours
C4.8 (normal) flare - December 17 at 11:54 PM
Solar activity index
Value as of the end of the day on December 17, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2001 to December 17, 2001
Time zone — UTC-08 (Kamloops)
List of solar flares for December 17, 2001
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 23:49 | 23:54 | 00:07 | 9733 |
| C1.6 | 23:32 | 23:36 | 23:42 | — |
| C3.0 | 20:39 | 20:44 | 20:49 | 9733 |
| C1.4 | 05:42 | 05:45 | 05:49 | — |