Table of Contents
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Congratulations on your purchase of an Orion
(XX12). It's a deep sky observer's dream telescope, offering jumbo 12" Pyrex
ted with IntelliScope object locating technology, and a sturdy truss tube design that easily disassembles
into compact, portable components. This high performance astronomical instrument is designed to pro-
vide dazzling views of celestial objects, yet be transportable and easy to use.
With the IntelliScope Computerized Object Locator, you gain the ability to locate and view thousands of
celestial objects with the push of a button. Searching for objects is a thing of the past, as the IntelliScope's
high-resolution digital encoders find them for you - in seconds! Genuine Ebony Star on Virgin Teflon
azimuth bearings and large 8" diameter adjustable-tension altitude bearings make slewing the telescope
and keeping objects centered in the eyepiece easy. Deluxe features, such as a 2" dual-speed Crayford fo-
cuser, and full accessory assortment, including a 2" eyepiece and 9x50mm finder scope, provide every-
thing you need to enjoy your journey through the universe.
Please read these instructions thoroughly before beginning assembly and subsequent use of the tele-
scope.
table of contents
1. Unpacking . . . . . . . . . . . . . . . . . . . . . . . 3
2. Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7
the Optical System . . . . . . . . . . . . . . . . 16
4. Using your Telescope . . . . . . . . . . . . . . 19
5. Astronomical Observing . . . . . . . . . . . 22
6. Care and Maintenance . . . . . . . . . . . . 25
7. Specifications . . . . . . . . . . . . . . . . . . . . 26
WARNING: Never look directly at the Sun
through your telescope or its finder scope -
even for an instant - without a professionally
made solar filter that completely covers the
front of the instrument, or permanent eye
damage could result. Young children should use
this telescope only with adult supervision.
SkyQuest
XX12 IntelliScope
®
™
1. unpacking
The telescope is packed in three boxes, one containing
the optical tube assembly and accessories (including the
IntelliScope Object Locator kit), another containing the unas-
sembled Dobsonian base, and the last containing the primary
mirror in its cell. Be careful unpacking the boxes. We recom-
mend keeping the original packaging. In the event that the
telescope needs to be shipped to another location, or returned
to Orion for warranty repair, having the proper packaging will
help insure that your telescope will survive the journey intact.
Make sure all the parts in the Parts List are present. The
parts are listed by the box they should arrive in, but some of
the parts may be in different boxes than indicated. Be sure
to check all boxes carefully, as some parts are small. If any-
thing appears to be missing or broken, immediately call Orion
Customer Support (800-676-1343) or email support@tele-
scope.com for assistance.
Truss Tube Dobsonian
®
optics: a stylish base outfit-
®
3
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