Solar flares on December 4, 2005
The most powerful solar flare in 24 hours
C2.1 (normal) flare - December 4 at 4:45 PM
Solar activity index
Value as of the end of the day on December 4, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 3, 2005 to December 4, 2005
Time zone — UTC+07 (Norilsk)
List of solar flares for December 4, 2005
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 |
|---|---|---|---|---|
| C2.1 | 15:26 | 16:45 | 16:56 | 826 |
| C1.7 | 00:53 | 01:05 | 01:14 | 826 |