Dec. 2011 Eclipse Summary

Posted December 10, 2011 by User 1

As predicted, a total lunar eclipse occurred on December 10, 2011 which was visible from eastern Europe, Asia, Australia and the northwestern half of North America. Unlike the last total lunar eclipse visible from the United States (December 21, 2010), most of the country where the eclipse was favorable had excellent weather conditions with only thin cirrus clouds over the West coast allowing for widespread visibility.

On the Danjon scale of lunar eclipse brightness, this eclipse measures around a 3 or 4 with the dimmest being 0 and brightest being 4. A bright yellowish-white rim was observed immediately following the commencement of totality. A hint of turquoise was reported by some observers.

More information on the Danjon scale is available here:


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