Celestron C21061 Calculating Magnification, Focal Length of Telescope mm, Battery Compartment

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 Manuallytelescope useful for terrestrial viewing Installing the Diagonal & Eyepieces refractorInstalling the Eyepieces on the Newtonians in step 2 abovePage Aligning the Finderscope FocusingImage Orientation Focal Length of Telescope mm Calculating MagnificationBattery Compartment SwitchGeneral Observing Hints Determining Field of ViewThe Celestial Coordinate System Motion of the Stars Lunar Observing Hints Observing the MoonObserving the Planets Observing the SunStar Hopping Observing Deep Sky Objects4.Point about halfway between these two stars Seeing Seeing ConditionsTransparency Sky IlluminationTerrestrial Photography Short Exposure Prime Focus PhotographyPiggyback Photography CCD Imaging for Deep Sky ObjectsAigning the Secondary Mirror Care and Cleaning of the OpticsCollimation of a Newtonian 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 21061 SpecificationsNote Specifications are subject to change AstroMasterCopyright 2007 Celestron All rights reserved Celestron