Seeing Conditions, Transparency | Celestron C21061 specs

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Celestron C21061 manual Seeing Conditions, Transparency, Sky Illumination

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 in step 2 above Installing the Diagonal & Eyepieces refractorInstalling the Eyepieces on the Newtonians telescope useful for terrestrial viewingPage Focusing Image OrientationAligning the Finderscope Switch Calculating MagnificationBattery Compartment Focal Length of Telescope mm Determining Field of View General Observing Hints The Celestial Coordinate System Motion of the Stars Observing the Sun Observing the MoonObserving the Planets Lunar Observing Hints Observing Deep Sky Objects Star Hopping 4.Point about halfway between these two stars Sky Illumination Seeing ConditionsTransparency Seeing CCD Imaging for Deep Sky Objects Short Exposure Prime Focus PhotographyPiggyback Photography Terrestrial Photography Care and Cleaning of the Optics Collimation of a NewtonianAigning 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 AstroMaster SpecificationsNote Specifications are subject to change 21061 Celestron Copyright 2007 Celestron All rights reserved