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Orion PRO 120 EQ instruction manual

Models: PRO 120 EQ

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Contents

E-mail support@telescope.com #9867 Equatorial Refractor TelescopeCustomer Support Orion SkyView Pro 120 EQObjective lens Optical tube Tube rings 3. Assembly Table of Contents2. Parts List 1. Unpackingalignment Finder scope bracketNylon thumbscrews4. Balancing the Telescope Installing the Finder ScopeInserting the Diagonal and Eyepiece Focusing the finder scope 5. Using Your TelescopeFocusing the Telescope Viewing with EyeglassesMagnification = Telescope Focal Length mm Eyepiece Focal Length mm 6. Setting Up and Using the Equatorial MountMagnification & Eyepieces 1000mm÷25mm=Axis DeclinationPolar Alignment Polar Alignment Using an Optional Polar Axis Finder Scope Using the Polar Axis Finder ScopeAlignment of the Polar Axis Finder Scope Use of the Right Ascension and Declination Slow- Motion Control Knobs Additional Note Regarding Focusing the Polar Axis Finder ScopeUnderstanding the Setting Circles Tracking Celestial ObjectsCalibrating the Right Ascension Setting Circle R.A. setting circleCalibrating the Declination Setting Circle Finding Objects With the Setting CirclesB. Seeing and Transparency 7. Astronomical ObservingA. Site Selection C. Cooling the TelescopeB. The Sun D. Let Your Eyes Dark-AdaptA. The Moon Eyepiece SelectionHow to Find Deep-sky Objects Starhopping C. The PlanetsD. The Stars Deep-Sky ObjectsPlanetary Photography 8. AstrophotographyMoon Photography “Piggyback Photography”10. Care and Maintenance 9. Collimating Aligning the Optics11. Specifications Cleaning LensesPage Page One-Year Limited Warranty Orion Telescopes & BinocularsPost Office Box 1815, Santa Cruz, CA Customer Support Help Line 800-676-1343 Day or Evening