Orion instruction manual Orion SkyQuest XT12 Classic, #9966 Dobsonian Reflecting Telescope

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INSTRUCTION MANUAL

Orion®

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IN 256 Rev. A 08/05

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Contents #9966 Dobsonian Reflecting Telescope Orion SkyQuest XT12 ClassicLeft side panel Parts List Table of ContentsUnpacking Assembly of the Optical Tube AssemblyBox #3 Primary Mirror and Cell Locate the area of tube that is bulging out Assembly of the Dobsonian baseInstalling the Eyepiece Rack Tighten the six side screws installed earlierPlacing the Optical Tube on the Dobsonian Base Installing the CorrecTension XT Friction Optimization SystemInstalling the Finder Scope Using Your TelescopeInserting an Eyepiece Altitude and Azimuth Focusing the TelescopeViewing with Eyeglasses Aligning the Finder ScopeAiming/Pointing the Telescope Focusing the Finder ScopeMagnification 1500mm 25mmTransporting the Telescope Collimation Aligning The MirrorsCollimation Cap and Mirror Center Mark Aligning the Secondary Mirror Adjusting the Primary MirrorAstronomical Observing Star-Testing the TelescopeSite Selection Seeing and TransparencyLet Your Eyes Dark-Adapt Cooling the TelescopeTracking Celestial Objects Eyepiece SelectionAstronomical Objects Use of 2 EyepiecesMoon SunDeep-Sky Objects How to Find Deep-sky Objects StarhoppingSpecifications Care and MaintenanceCleaning Lenses Cleaning MirrorsPage Page One-Year Limited Warranty