Webb Society Deep-sky Observer's Handbook: Double stars, Volumes 1-8 |
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Contents
Early Catalogues of Galaxies | 6 |
Visual Observation | 22 |
Introduction | 35 |
Copyright | |
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Common terms and phrases
16½-inch Observation amateur astronomer aperture arc-min bright star brighter centre Catalogue of Galaxies central area central brightening central lens CGCG Anon CGCG not listed CGOG Clusters of Galaxies co-ordinates Column comp compact deep-sky objects easily visible edge edge-on elliptical elongated Epoch extremely faint eyepiece faint galaxies Faint star close fainter Field 17 field drawing field of view identify irreg irregularly round John Herschel lies 12 sec located MCG UGC Name R.A. narrow nebular image nebulosity Observatory Sky Survey observing anonymous galaxies Ocular OGOG Anon Palomar Observatory Sky Palomar print photographic magnitude planetary nebula POSS plate RNGC scale seen at x176 seen with x176 serious observer similar mag sl.el small envelope Star Atlas stars aligned stell Telescope UGC & CGCG UGC in Notes uniform surface brightness uniformly bright Unlisted Uppsala General Catalogue V.f. star visible at x84 Visual Observation Webb Society Westmont College