Sharpless catalog


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Sharpless catalog

(sharp -liss) A catalog of bright H II regions visible on the Palomar Sky Survey plates, compiled by Sharpless in 1959. Sources are known by their Sharpless number; for example, S106 is a small bipolar nebula in the direction of Cygnus.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
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I also wanted to depict a range of objects that represented the various "inhabitants" of the galaxy: about 150 objects from the Sharpless catalog, most bright nebulae with common names, and some of the better-known OB associations.