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Orion SkyQuest XT User Manual

Orion SkyQuest XT
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Orion
®
SkyQuest
XT
Classic Dobsonians
XT6 #8944, XT8 #8945,
XT8 Limited Edition #8967, XT10 #8946
IN 676 Rev B 10/22
INSTRUCTION MANUAL
#8944
#8945
#8946
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Customer Support: support@telescope.com
Copyright © 2022 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents
may be reproduced, copied, modied or adapted, without the prior written consent of Orion Telescopes & Binoculars.
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Orion SkyQuest XT Specifications

General IconGeneral
TypeDobsonian
Optical DesignNewtonian Reflector
Mount TypeDobsonian
Aperture8 inches (203 mm)
Focal Length1200 mm
Eyepieces Included25mm and 10mm

Summary

Unpacking and Parts Identification

Parts List

Detailed list of all components included with the telescope package.

Telescope Assembly

Assembly of the Dobsonian Base

Step-by-step instructions for constructing the telescope's base.

Installing the Red Dot Scope

Guide for attaching and securing the red dot finder scope.

Inserting an Eyepiece

Instructions for safely inserting eyepieces into the focuser.

Using Your Telescope

Altitude and Azimuth Motions

Explanation of how to move the telescope for aiming.

Focusing the Telescope

Procedures for achieving a clear and sharp image.

Aligning and Using the Red Dot Finder Scope

Steps to align the finder scope with the main telescope for accurate pointing.

Aiming/Pointing the Telescope

Techniques for locating and directing the telescope at celestial objects.

Determining Magnification

How to calculate and change the telescope's magnification.

Extra Accessories with the SkyQuest XT8 Limited Edition

Details on additional accessories included with the Limited Edition model.

Magnification Limits

Understanding the practical limits of telescope magnification.

Tube Balance

Explanation of how the telescope's balance is maintained.

Carrying the Telescope

Safe methods for transporting the telescope.

Choosing an Observing Site

Guidance on selecting optimal locations for stargazing.

"Seeing" and Transparency

Factors affecting image quality due to atmospheric conditions.

Cooling the Telescope

Importance of allowing the telescope to acclimate to ambient temperature.

Let Your Eyes Dark-Adapt

Tips for optimizing night vision for better observation.

What to Expect

What celestial objects can typically be seen with the telescope.

Objects to Observe

Guide to viewing various celestial bodies like the Moon, planets, and stars.

Collimation of the Optics

Primary Mirror Center Mark

Explanation of the primary mirror's center mark and its use.

Aligning the Secondary Mirror

Steps to adjust the secondary mirror for proper alignment.

Aligning the Primary Mirror

Final adjustments to ensure the primary mirror is correctly aligned.

Star-Testing the Telescope

Method for verifying optical alignment using a star.

Care and Maintenance

Cleaning Lenses

Proper techniques for cleaning the telescope's lenses and eyepieces.

Cleaning Mirrors

Detailed instructions for cleaning the primary and secondary mirrors.

Specifications and Warranty

Specifications

Technical details and measurements for different telescope models.

One-Year Limited Warranty

Information regarding the product's warranty coverage and terms.

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