Celestron C21061 manual Copyright 2007 Celestron All rights reserved

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Celestron

2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560

Fax. (310) 212-5835 Website www.celestron.com

Copyright 2007 Celestron

All rights reserved.

(Products or instructions may change without notice or obligation.)

Item # 21061-INST Printed in China $10.00 06-07

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Contents AstroMaster Series Telescopes Table of Contents Quick and easy no-toolset up 8 9 Figure 1-1AstroMaster 90AZ Refractor 8 9 Figure 1-2AstroMaster 114 AZ Newtonian Setting up the Tripod Attaching the Telescope Tube to the Mount Moving the Telescope ManuallyInstalling the Eyepieces on the Newtonians Installing the Diagonal & Eyepieces refractorin step 2 above telescope useful for terrestrial viewingPage Image Orientation FocusingAligning the Finderscope Battery Compartment Calculating MagnificationSwitch Focal Length of Telescope mmGeneral Observing Hints Determining Field of ViewThe Celestial Coordinate System Motion of the Stars Observing the Planets Observing the MoonObserving the Sun Lunar Observing HintsStar Hopping Observing Deep Sky Objects4.Point about halfway between these two stars Transparency Seeing ConditionsSky Illumination SeeingPiggyback Photography Short Exposure Prime Focus PhotographyCCD Imaging for Deep Sky Objects Terrestrial PhotographyCollimation of a Newtonian Care and Cleaning of the OpticsAigning the Secondary Mirror Night Time Star Collimating Aligning the Primary Mirrorto achieve the necessary mirror movement You will find that additional accessories for your AstroMaster telescope will enhance your viewing pleasure and expand the usefulness of your telescope. This is just a short listing of various accessories with a brief description. Visit the Celestron website or the Celestron Accessory Catalog for complete descriptions and all accessories available Note Specifications are subject to change SpecificationsAstroMaster 21061Copyright 2007 Celestron All rights reserved Celestron