LIBROS DEL AUTOR: jerry d cavin

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  • The Amateur Astronomer’s Guide to the Deep-Sky Catalogs
    Jerry D. Cavin
    Every amateur astronomer has at least heard of the many different catalogs of deep-sky objects; the most well known are the Messier, the Caldwell, the Herschel, and the NGC.  All of these catalogs are, in general, readily available, but very few amateur observers are in a position to choose the best catalog for their particular deep-sky observing prog...
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