Solar flares on December 16, 2003
The most powerful solar flare in 24 hours
C8.6 (normal) flare - December 16 at 6:13 PM
Solar activity index
Value as of the end of the day on December 16, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 15, 2003 to December 16, 2003
Time zone — UTC-09 (Anchorage)
List of solar flares for December 16, 2003
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 21:15 | 21:23 | 21:30 | — |
| C8.6 | 17:55 | 18:13 | 18:25 | 525 |
| C1.0 | 04:13 | 04:25 | 04:32 | — |