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Caldwell catalog

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Caldwell catalog

[′kȯl‚dwel ¦kad·ə‚läg]
(astronomy)
A catalog of star clusters, nebulae, and galaxies for the use of amateur observers, whose objects are easy to locate with a small telescope but are not included in Messier's Catalog.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Listed at number 30 in the Caldwell Catalogue, it can be spotted in binoculars.
Depth Afield: Plunge into Pegasus and see how many faint galaxies you can spot with your scope
The Caldwell catalogue did not exist at this time but, as he has in so many other ways, Sir Patrick identified the need and satisfied it.
The Caldwell Objects and How to Observe Them
They include his detailed observations and sketches, made with only a short-focus 4-inch refractor, of the 219 objects in the Messier and Caldwell catalogues and another 109 selections of his own that those two catalogs miss.
Savvy scoping: get more from your telescope! Try these tricks, techniques, and tactics from a deep-sky veteran
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