Orion #27189 XT12I, #27183 XT8I, #27182 XT6I, #27184 XT10I SkyQuest XT8 IntelliScope

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Secondary mirror holder with 4-vane spider (not visible)

Navigation knob

Retaining knob (opposite side)

Computerized

Object Locator

Right side panel

Front brace

Eyepiece rack

Handle

Top baseplate

Ground baseplate

Finder scope

Finder scope bracket

Eyepiece

Focuser

Optical tube

Altitude tensioning knob

IntelliScope Controller Port modular jack

Primary mirror cell

Left side panel

Foot (3)

Figure 1. The SkyQuest XT8 IntelliScope

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Contents Orion SkyQuest XTi SkyQuest XT8 IntelliScope Table of Contents Parts List UnpackingBox #3 XT12i only Primary mirror and cell AssemblyAssembly of the Optical Tube XT12i only Page Assembly of the Dobsonian Base Loosely attach the front brace B to the two side panelsCorrect Tension pads Installing the CorrecTension Friction Optimization System Installing the Vertical StopInstalling the Eyepiece Rack Placing the Optical Tube on the Dobsonian BaseAltitude Bearings Bearing cylinders Installing the Finder Scope Inserting an EyepieceAltitude and Azimuth Motion Using Your TelescopeSetting the Altitude Tension Level Viewing with Eyeglasses Focusing the TelescopeFocusing the Finder Scope Aligning the Finder ScopeUse of 2-Inch Eyepieces XT8i, XT10i, and XT12i only Aiming/Pointing the TelescopeMagnification Tube BalancePage Alignment Collimation of the Optical System Collimation Cap and Mirror Center MarkAligning the Secondary Mirror Adjusting the Primary MirrorPreparing the Telescope for Collimation Selecting an Observing Site Star-Testing the TelescopeAstronomical Observing Let Your Eyes Dark-Adapt Seeing and TransparencyCooling the Telescope Eyepiece SelectionPlanets MoonSun StarsIntelliScope Computerized Object Location Cleaning Mirrors Care and MaintenanceCleaning Eyepiece Lenses SkyQuest XT8i IntelliScope SpecificationsSkyQuest XT6i IntelliScope SkyQuest XT10i IntelliScope SkyQuest XT12i IntelliScopeOne-Year Limited Warranty