8 9 -1AstroMaster 90AZ Refractor | Celestron C21061 guide

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Figure 1-1 AstroMaster 90AZ Refractor

(AstroMaster 70AZ refractor similar)

1.	Objective Lens	7.	Pan Handle
2.	Telescope Optical Tube	8.	Accessory Tray
3.	Star Pointer Finderscope	9.	Tripod
4.	Eyepiece	10.	Azimuth Lock
5.	Diagonal	11.	Alt-Az Mount
6.	Focus Knob	12.	Dovetail Mounting Bracket

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$Celestron C21061 manual 8 9 -1AstroMaster 90AZ Refractor$

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 Moving the Telescope Manually Attaching the Telescope Tube to the Mount Installing the Diagonal & Eyepieces refractor Installing the Eyepieces on the Newtoniansin step 2 above telescope useful for terrestrial viewingPage Image Orientation FocusingAligning the Finderscope Calculating Magnification Battery CompartmentSwitch Focal Length of Telescope mm Determining Field of View General Observing Hints The Celestial Coordinate System Motion of the Stars Observing the Moon Observing the PlanetsObserving the Sun Lunar Observing Hints Observing Deep Sky Objects Star Hopping 4.Point about halfway between these two stars Seeing Conditions TransparencySky Illumination Seeing Short Exposure Prime Focus Photography Piggyback PhotographyCCD Imaging for Deep Sky Objects Terrestrial Photography Collimation of a Newtonian Care and Cleaning of the OpticsAigning the Secondary Mirror Aligning the Primary Mirror Night Time Star Collimating to 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 Specifications Note Specifications are subject to changeAstroMaster 21061 Celestron Copyright 2007 Celestron All rights reserved