Solar flares on December 17, 2003
The most powerful solar flare in 24 hours
C2.1 (normal) flare - December 17 at 7:51 PM
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-06 (Regina)
List of solar flares for December 17, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 22:12 | 22:18 | 22:27 | — |
| C2.1 | 19:46 | 19:51 | 19:55 | — |
| C1.3 | 19:01 | 19:12 | 19:26 | — |
| C1.1 | 18:28 | 18:32 | 18:39 | — |
| C1.3 | 14:11 | 14:17 | 14:23 | 525 |
| C1.0 | 07:03 | 07:09 | 07:16 | 521 |
| C1.8 | 00:15 | 00:23 | 00:30 | — |