Orion SKYQUEST XT12 IntelliScope Instruction Manual
#27189
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Summary of Contents for Orion SKYQUEST XT12 IntelliScope
- Page 1 MAnUAL Orion SkyQuest XT12 intelliScope ™ ® #27189 Customer Support (800)-676-1343 E-mail: support@telescope.com Corporate Offices (831)-763-7000 89 Hangar Way, Watsonville, CA 95076 OrionTelescopes.com Providing Exceptional Consumer Optical Products Since 1975 IN 227 Rev. D 05/09...
- Page 2 Finder scope Secondary mirror holder with 4-vane spider (not visible) Finder scope bracket Eyepiece Focuser Navigation knob Optical tube Tensioning knob Right side panel Front brace Eyepiece rack Primary mirror cell Handle IntelliScope Controller Port Top baseplate modular jack Computerized Object Locator (optional) Left side panel Figure 1.
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Page 3: Table Of Contents
Congratulations on your purchase of an Orion SkyQuest XT12 IntelliScope Dobsonian. It is a high- performance astronomical instrument designed to provide dazzling views of celestial objects and unprecedented ease of use. With the addition of the optional IntelliScope Computerized Object Locator (controller), you gain the ability to locate and view thousands of celestial objects with the push of a but- ton. -
Page 4: Assembly
Warning: Once the rear end ring is removed from the Hex key (size 4mm) tube, the raw edge of the tube itself will be exposed. Be Plastic feet careful not to cut or otherwise hurt yourself on the tube’s Feet attachment wood screws (length 1") edge. - Page 5 Figure 5. Thread the collimation thumbnuts, with nylon washers Figure 7. Locate the area of tube that is bulging out and attached, through the rear end ring and onto the threaded shafts. Make sure the thumbnuts have at least three full turns of engagement preventing the mirror cell from fully seating.
- Page 6 Encoder board mounting screw Azimuth encoder board Figure 10. To install the azimuth encoder board, line up the large hole in the encoder board with the central hole in the top baseplate. encoder disk (J). Seat the bushing onto the encoder disk so that the registration feature on the bushing goes into the hole in the encoder disk.
- Page 7 Encoder connector board Screws Figure 13. Attach the encoder connector board with four of the encoder board mounting screws. installing the Vertical Stop Place the three flat washers onto the shaft of the vertical stop screw. Thread the vertical stop into the threaded insert on the inside of the front panel until tight (Figure 14).
- Page 8 installing the CorrecTension Friction Optimization System An exciting feature of the SkyQuest IntelliScope Dobsonian is the redesigned CorrecTension (XT) system. Because of their relatively light weight, smaller Dobsonians (under 16") have always been plagued by insufficient friction on the altitude bearing surfaces.
- Page 9 now be known as the retaining knob. Push the shaft of the retaining knob through the hole in the side panel opposite the one the retaining knob is in (Figure 18). Thread the knob into the altitude bearing as far as it will go. There will be a gap of about 1/2"...
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Page 10: Aligning (Collimating) The Optical System
It is also good idea to check the collimation as the Orion LaserMate Laser Collimator. (optical alignment) of your telescope before each observing session and make any necessary adjustments. -
Page 11: Aligning The Primary Mirror
thing come loose when you are making adjustments. Place tion in the secondary mirror, as in Figure 21d. Don’t worry that a sheet of white paper inside the optical tube directly oppo- the reflection of the secondary mirror (the smallest circle, with site the focuser. - Page 12 The tilt of the primary mirror is adjusted with the three large align the primary mirror. Over time you will get the feel for which collimation screws to turn to move the image in a given spring-loaded collimation knobs on the back end of the opti- cal tube (bottom of the primary mirror cell).
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Page 13: Using Your Telescope
4. Using Your Telescope One of the great benefits of the SkyQuest XT IntelliScope Dobsonian is its ability to point to more than 14,000 celes- tial objects, when used with the optional IntelliScope F i g u r e 2 8 . Computerized Object Locator (controller). -
Page 14: Aligning The Finder Scope
If you have trouble focusing, rotate the focusing knob so the drawtube is in as far as it will go. Now look through the eyepiece while slowly rotating the focusing knob in the opposite direction. You should soon see the point at which focus is reached. The thumb screw on the bottom of the body of the focuser (Figure 20) will lock the focuser drawtube in place once the telescope is properly focused. - Page 15 in the general direction of the object you want to see. Some the incoming light, which prevents sharp views at high mag- observers find it convenient to sight along the tube to do this. nifications. Now, look in the finder scope. If your general aim is accu- Keep in mind that as magnification is increased, the bright- rate, the object should appear somewhere in the field of view.
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Page 16: Astronomical Observing
common sense prevails. It is especially important that the optical tube does not get knocked around; this can cause the optics to become misaligned, and could dent the tube. We recommend transporting and storing the tube assembly in an optional padded case for proper protection. 5. - Page 17 with a red LED light is ideal, or you can cover the front of a Even at partial phases the Moon is very bright. Use of an regular incandescent flashlight with red cellophane or paper. optional Moon filter helps to dim the glare. It simply threads Dim light is preferable to bright light.
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Page 18: Optional Intelliscope Computerized
ID button. You can even add up to 99 objects of your own Certain photograph aids, such as the Orion SteadyPix, can choosing to the IntelliScope controller’s database. -
Page 19: Care And Maintenance
from the telescope. Before doing so, orient the telescope tube location, the numbers get progressively smaller. When the navigation numbers reach 0, the telescope will be pointed horizontally so that nothing accidentally falls down and hits right at the object! You just look into the eyepiece and enjoy the primary mirror. -
Page 20: Specifications
During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instru- ment that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076.