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Wednesday, May 07, 2008

Binocular doubles

I've fallen in love with observing binocular doubles (double stars, not couples with binoculars) since I moved to the Chicago area several years, ago. It's been something of a gradual thing, in that our severe light pollution has forced me to seek observing alternatives to my usual deep-sky binocular objects. Double stars fill the bill, nicely. I need objects that are both aesthetically pleasing and optically/technically challenging in an astronomy binocular. With roughly a hundred or so doubles available to a binocular observer, even under light polluted skies, I can pick and choose on both counts. All I need is a clear sky, a star map and my binocular.
 
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