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Orion 9966 instruction manual

Models: 9966

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Orion 9966 instruction manual

Contents

E-mail support@telescope.com #9966 Dobsonian Reflecting TelescopeOrion SkyQuest XT12 Classic Customer SupportSecondary mirror holder with 4-vane spider not visible Care and maintenance Table of ContentsParts List 1. UnpackingAssembly of the Optical Tube 2. AssemblyBox #3 Primary Mirror and Cell Assembly of the Dobsonian base Installing the Eyepiece Rack Placing the Optical Tube on the Dobsonian Base Installing the CorrecTension XT Friction Optimization SystemInstalling the Finder Scope 3. Using Your TelescopeInserting an Eyepiece Aligning the Finder Scope Focusing the TelescopeAltitude and Azimuth Viewing with EyeglassesTelescope Focal Length mm = Magnification Eyepiece Focal Length mm Focusing the Finder ScopeAiming/Pointing the Telescope MagnificationTransporting the Telescope 4. Collimation Aligning The MirrorsThe Collimation Cap and Mirror Center Mark Aligning the Secondary Mirror Adjusting the Primary MirrorSite Selection 5. Astronomical ObservingStar-Testing the Telescope Note About the Collimatable 2 FocuserEyepiece Selection Cooling the TelescopeLet Your Eyes Dark-Adapt Tracking Celestial ObjectsB. The Sun Use of 2 EyepiecesAstronomical Objects A. The MoonE. Deep-Sky Objects How to Find Deep-sky Objects StarhoppingNote About Astrophotography Cleaning Mirrors 6. Care and Maintenance7. Specifications Cleaning LensesPage Page Post Office Box 1815, Santa Cruz, CA One-Year Limited WarrantyOrion Telescopes & Binoculars Customer Support Help Line 800 676-1343 Day or Evening