Solar flares on December 20, 2006
The most powerful solar flare in 24 hours
There were no solar flares on the selected date
Solar activity index
Value as of the end of the day on December 20, 2006
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 19, 2006 to December 20, 2006
Time zone — UTC+00 (London)
List of solar flares for December 20, 2006
There were no solar flares on the selected date