Solar flares on December 17, 2003
The most powerful solar flare in 24 hours
C8.6 (normal) flare - December 17 at 3:13 AM
Solar activity index
Value as of the end of the day on December 17, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2003 to December 17, 2003
Time zone — UTC+00
List of solar flares for December 17, 2003
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 |
|---|---|---|---|---|
| C1.3 | 20:11 | 20:17 | 20:23 | 525 |
| C1.0 | 13:03 | 13:09 | 13:16 | 521 |
| C1.8 | 06:15 | 06:23 | 06:30 | — |
| C8.6 | 02:55 | 03:13 | 03:25 | 525 |