Solar flares on December 23, 2009
The most powerful solar flare in 24 hours
C6.4 (normal) flare - December 23 at 10:17 AM
Solar activity index
Value as of the end of the day on December 23, 2009
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 22, 2009 to December 23, 2009
Time zone — UTC+00
List of solar flares for December 23, 2009
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.4 | 10:09 | 10:17 | 10:20 | 1036 |