Manuals / Orion / Lawn and Garden / Telescope

Orion 9966 instruction manual

Models: 9966

1 20

Download 20 pages 20.13 Kb

Page 18

Manual background

18

Image 18

Orion 9966 instruction manual

Contents

Customer Support #9966 Dobsonian Reflecting TelescopeOrion SkyQuest XT12 Classic E-mail support@telescope.comSecondary mirror holder with 4-vane spider not visible 1. Unpacking Table of ContentsParts List Care and maintenance2. Assembly Assembly of the Optical TubeBox #3 Primary Mirror and Cell Assembly of the Dobsonian base Installing the Eyepiece Rack Installing the CorrecTension XT Friction Optimization System Placing the Optical Tube on the Dobsonian Base3. Using Your Telescope Installing the Finder ScopeInserting an Eyepiece Viewing with Eyeglasses Focusing the TelescopeAltitude and Azimuth Aligning the Finder ScopeMagnification Focusing the Finder ScopeAiming/Pointing the Telescope Telescope Focal Length mm = Magnification Eyepiece Focal Length mm4. Collimation Aligning The Mirrors Transporting the TelescopeThe Collimation Cap and Mirror Center Mark Adjusting the Primary Mirror Aligning the Secondary MirrorNote About the Collimatable 2 Focuser 5. Astronomical ObservingStar-Testing the Telescope Site SelectionTracking Celestial Objects Cooling the TelescopeLet Your Eyes Dark-Adapt Eyepiece SelectionA. The Moon Use of 2 EyepiecesAstronomical Objects B. The SunHow to Find Deep-sky Objects Starhopping E. Deep-Sky ObjectsNote About Astrophotography Cleaning Lenses 6. Care and Maintenance7. Specifications Cleaning MirrorsPage Page Customer Support Help Line 800 676-1343 Day or Evening One-Year Limited WarrantyOrion Telescopes & Binoculars Post Office Box 1815, Santa Cruz, CA