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Colors of Uranus & Neptune.

At the end of his discussion of the perceived colors of Uranus and Neptune, Alan MacRobert invited readers' opinions (September issue, page 56). As a "street corner" telescopist in downtown Baltimore, I gave many passerby observers a glimpse of Uranus while it was conveniently close to Jupiter.

While I see it as green, nearly all of them saw it as blue. Since I gave everyone souvenir Post-it note stickers proclaiming, "I saw ... Uranus! It looks like a little green dot!" I felt like I'd made an embarrassing faux pas. Nevertheless, I still see it as green!

I recently scoped Neptune together with a curious photographer friend. At 166x in my 8-inch Meade SCT, we agreed that it looks like a little blue dot.

Herman M. Heyn

Baltimore, Maryland

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Title Annotation:Letters
Author:Heyn, Herman M.
Publication:Sky & Telescope
Article Type:Letter to the editor
Date:Dec 1, 2010
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