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Orion
Classic Dobsonians
#8944
A N E M P L O Y E E - O W N E D C O M P A N Y
Copyright © 2022 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents
may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes & Binoculars.
INSTRUCTION MANUAL
SkyQuest
®
XT6 #8944, XT8 #8945,
XT8 Limited Edition #8967, XT10 #8946
#8945
™
#8946
Corporate Offices: 89 Hangar Way, Watsonville CA 95076 - USA
Toll Free USA & Canada: (800) 447-1001
International: +1(831) 763-7000
Customer Support: support@telescope.com
XT
IN 676 Rev B 10/22
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Summary of Contents for Orion SkyQuest XT
- Page 1 A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2022 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes &...
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Page 2: Table Of Contents
In the event that the Dust cover telescope needs to be shipped to another location, or returned to Orion for warranty repair, having the proper shipping boxes Optical tube assembly and protective materials inside will help ensure that your tele- Plastic bushing scope will survive the journey intact. - Page 3 #8967 only Figure 1. A) Main base components B) Parts of the SkyQuest XT Classic Dobsonian (XT8 pictured)
- Page 4 Flange Figure 2. Attach the side panels to the front brace using six of the provided assembly wood screws and the 4mm hex key. INSET: Make sure the flange of the threaded insert on the side panels is facing inward. T-nut Washer Hex-head...
- Page 5 Figure 5. Once the bolt is inserted through the groundplate and top baseplate, place the second washer on the bolt and then thread on the lock nut. Use the two 17mm crescent wrenches to lightly tighten the nut. so the flange of the threaded insert is facing inward (see Figure 2 inset).
- Page 6 Spring post Philips screw Figure 7. Attach one spring post on each side panel with the included truss head Phillips machine screw. can lay the base on its side again and use the wrenches Figure 9. Lift the tube assembly and place the side to adjust the lock nut further.
- Page 7 The bumper will cushion such contact when the telescope is in use. Azimuth Figure 14. The SkyQuest XT Classic has two axes of Front of motion: altitude (up/ down) and azimuth (left/right).
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Page 8: Using Your Telescope
The assembly of your SkyQuest XT Classic Dobsonian is now complete. The dust cover (W) on the front of the telescope Window should always remain in place when the telescope is not in use. It is also a good idea to store eyepieces in an eyepiece case and to replace the cap on the focuser when the telescope is idle. - Page 9 little bit beyond sharp focus until the image just starts to blur the telescope eyepiece and on the finder scope’s red dot, again, then reverse the rotation of the knob, just to make sure the finder scope is properly aligned with the telescope. you’ve hit the exact focus point.
- Page 10 SkyQuest XT8 Classic and 304x for the SkyQuest XT6 Classic for example. But maximum magnifications are achieved only Note: The SkyQuest XT Classic may be too heavy for some under the most ideal viewing conditions at the best observ- users to lift and carry as one unit. Do not strain yourself! If ing sites.
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Page 11: Astronomical Observing
4. Astronomical Observing ed, more stars will glimmer into view and you’ll be able to see fainter details in objects you view in your telescope. For many, this will be your first foray into the exciting world of To see what you’re doing in the darkness, use a red-filtered amateur astronomy. - Page 12 Europa, and Ganymede. Higher power eyepieces should bring you won’t have much luck locating the Orion Nebula. A simple out the cloud bands on the planet’s disk. planisphere, or star wheel, can be a valuable tool for learning the constellations and seeing which ones are visible in the sky Saturn: The ringed planet is a breathtaking sight.
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Page 13: Collimation Of The Optics
Primary Mirror Center Mark You may have noticed that your SkyQuest XT Classic Dobsonian has a small adhesive ring in the center of the pri- mary mirror. This “center mark” allows you to achieve a very precise collimation of the primary mirror;... -
Page 14: Care And Maintenance
Collimation knob Out of collimation Collimated Figure 20. A star test will determine if the telescope's optics are properly collimated. Locking thumbscrew Star-Testing the Telescope When it is dark, point the telescope at a bright star and accu- rately center it in the eyepiece’s field of view. Slowly de-focus the image with the focusing knob. -
Page 15: Specifications
7. Specifications some cleaning fluid to a tissue, never directly on the optics. Wipe the lens gently in a circular motion, then remove any SkyQuest XT6 Classic excess fluid with a fresh lens tissue. Oily fingerprints and smudges may be removed using this method. Use caution; Focal length: 1178mm rubbing too hard may scratch the lens. - Page 16 A N E M P L O Y E E - O W N E D C O M P A N Y Copyright © 2022 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents...