The Practical Astronomer’s Deep-sky Companion by Jess K. Gilmour

By Jess K. Gilmour

As an beginner astronomer with years of expertise, I surprise on the pleasure skilled by way of a newbie who effectively hunts down their first deep-space item in a telescope. it doesn't matter what age or ability point, "nailing" a formerly unobserved item throughout the eye­ piece, either immediately defines their love of the pastime and offers a sense of clinical accomplishment irrespective of how renowned to others the item could be. With the development in computer-guided telescopes and automated item middle­ ing, the novice astronomy pastime has skilled super and extraordinary progress. First timers are attending public watching classes or summer season megastar events with reasonably cheap computer-controlled telescopes, and are immediately rewarded with perspectives of celes­ tial items with unusual names and numbers. yet: what to examine? am i able to see it via my telescope? For the pro observer the matter is various: "I've noticeable that item 1000 occasions, can anyone express me whatever new?" Astrophotographers, amateur and pro, usually ask yourself approximately taking pictures new items on movie or CCD, yet first spend hours poring via megastar charts familiarizing themselves with the celebrity box, choosing consultant big name, and so forth. The contents of this booklet combines, in a transparent and concise demeanour, info that would support newbie, amateur, intermediate and complex novice astronomy hobbyists. The items are all obvious in medium-to-large-aperture telescopes and supply a big variety of items to watch or photo. vii Contents advent. . . . . . . . . . . . . . . . . . . . . . . . . Xl . . . . . . . . . . . . . . . . Andromeda. · 1 Aquarius. .4 Aquila ... . · 7 Aries ..... . · nine Auriga .... . 12 Bootes .... .

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The Practical Astronomer’s Deep-sky Companion

As an beginner astronomer with years of expertise, I wonder on the pleasure skilled through a newbie who effectively hunts down their first deep-space item in a telescope. it doesn't matter what age or ability point, "nailing" a formerly unobserved item during the eye­ piece, either immediately defines their love of the pastime and offers a sense of clinical accomplishment regardless of how popular to others the item can be.

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29 x 1 9. 0 x 1 50· . 0 ' Con : Cepheus Type: Reflection Nebula Mag: Vd8-142 IS a pa tch 01 nebula involving an S'· magnltude star. 7 x 4. 0' x 150' . 29· 54' . " "".. Size: •,• 4'119 •• +J:L"-<'+66 ,,,. Telescope Aperture 4 115 FOV(35mm film) ••• ! -" ,: .. - " ,,LN151 ... , : ,*,---t60 2316 238 Telescope Aperture FOV(35mm film), " Q". . '. 0 '. '·· ... -+,85 ;" 0" Telescope Aperture: ",:. 0 NGC 40 IS one of the finest planetary nebulae found at high declinations. Object displays a planetary nebula disk with a central star.

1 NGC 1961 IS Iocaled midway between NGC 2403 ancl lC 342 The galaxy IS a lype·Sb peculiar system. 3 8" 1110 IS . 68 Can: Type : : J. ,. 50" 1 e +-~-t1O Con: Ie 342 is a large. round barred spiral galaKY. obscured by Ihe thick Milky Way in Ironl of It. " ,. ,•• RA: U" ·· 0 9'0 Telescope Aperture 4" flS .. 68 k 1 0. ,:---+" . 0" k 1 S. 0r k 1 61 068 k 1 0. rK 4" FOV(35mm film ): ",) 4" 1f9 ··.. -t---=--+78 Con : NGC 2146 is a barred Spiral galaxy wedged between two scattered groups of stars. 50' ..

68 Crosses Prime Meridian: October thru December Cas . •·0 •. ,"""'" • "5" 5'_10' ~ l a' <~ • PERSEUS '. • 8r1g1>tN_ • "'0' " ~10' Ga~ . ". ct: III II. o - I I) ~ U Constellation Facts: e Cassiopeia ; (KASS-ee-oh -PEE-ah) CassIopeia . the Queen. North circumpolar constellation. thus it is above the horizon throughout the year. The ' W of Cassiopeia is one of the most familiar as\erisms in the night sky. The constellation circles the northern sky in a counterclockwise direction. Cassiopeia is opposite the Galactic center in Sagittarius.

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