Solar flares on December 31, 2004
The most powerful solar flare in 24 hours
X1.7 (very strong) flare - December 31 at 5:31 PM
Solar activity index
Value as of the end of the day on December 31, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 30, 2004 to December 31, 2004
Time zone — UTC-07 (Lethbridge)
List of solar flares for December 31, 2004
The total number of solar flares of class C and higher — 3 flares
C class — 1 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.7 | 17:01 | 17:31 | 17:39 | 715 |
| C6.8 | 07:52 | 07:59 | 08:04 | 715 |
| M1.2 | 07:38 | 07:45 | 07:48 | 715 |