Solar flares on December 17, 2001
The most powerful solar flare in 24 hours
C3.0 (normal) flare - December 17 at 11:44 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-05 (Columbus)
List of solar flares for December 17, 2001
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 23:39 | 23:44 | 23:49 | 9733 |
| C1.4 | 08:42 | 08:45 | 08:49 | — |