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Orion Telescopes

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Intermediate
Orion SkyQuest XT8i IntelliScope Dobsonian Telescope
$649.99
3 easy payments of $216.66
With payment plan
 
Accepted Payment
In Stock
  • Large Dobsonian reflector telescope with 8" aperture allows you to see faint deep-sky objects such as nebulas and galaxies, in addition to fantastic views of the Moon and planets
  • Locating those faint deep-sky objects is simple with the IntelliScope Computerized Object Locator - it includes more than 14,000 objects in its database, and points you right to each one
  • Select the object you wish to view from the IntelliScope database, then simply follow the directional arrows displayed on the hand controller by moving the telescope until the object is right in the eyepiece field of view - it's easy!
  • The ultra-stable Dobsonian telescope base keeps the reflector optical tube perfectly balanced for easy point-and-view use
  • A precise Crayford focuser allows use of larger format 2" telescope eyepieces - the bright, wide-field view of the Andromeda galaxy in a low power 2" eyepiece is jaw-dropping!


Learn more
Item #  10018

Our intelligent 8" Dobsonian reflector telescope has ample aperture and computerized smarts that make it an excellent instrument for any astronomy enthusiast. With its computerized object locator system, the Orion SkyQuest XT8i IntelliScope Dobsonian will give you speedy, push-button access to more than 14,000 fascinating celestial objects. Looking for the Whirlpool Galaxy? Press the button labeled "Messier" then select M51. Whoosh! Wow! In seconds, there it is in the telescope eyepiece, once you've pushed the telescope to the position indicated by the handheld Computerized Object Locator. Never been able to find that edge-on galaxy, NGC 891? Tap the "NGC" button, select 891 Whoosh! You're there. It's that easy to locate object after object, so many more in an evening than you could ever find before.

Using the "push-to" IntelliScope system is easy for any backyard stargazer. Just select an object to view from the IntelliScope controller's menu buttons, press Enter, and then move the telescope in the direction of the guide arrows on the liquid crystal display. In seconds, the IntelliScope's two high-resolution, 9,216-step digital encoders pinpoint the object, placing it right in the telescope's field of view. The Computerized Object Locator's database includes a lifetime of celestial objects to view: 837 stars (including double and variable stars), 7,840 NGC objects, 5,386 IC objects, 101 Messier objects, 8 major planets, and 99 user-entered objects. It features illuminated buttons and a backlit, two-line LCD display. The intuitive menu buttons allow selection of objects by type (e.g., Planet, Nebula, Cluster, Galaxy) or catalog number (e.g., M57, NGC 253). Press the Tour button to select one of 12 tours of the best objects visible in any given month. If you happen to find an object you aren't familiar with, you can even use the controller's ID button to find out the name of the object you're viewing.

Since the Orion IntelliScope Computerized Object Locator system does not involve motors, you actively push the telescope following the directions displayed on the handheld IntelliScope controller until the object you've selected is centered. The XT8i IntelliScope will actually teach you about locations of objects in the night sky during use as you gently push the telescope from object to object. Instead of relying on power-draining GoTo system motors, the "push-to" IntelliScope XT8i saves energy and expense by running on a single 9-volt battery cell (included).

Intelliscope Dob Chart

The Orion SkyQuest XT8i IntelliScope Computerized Dobsonian Telescope is capable of providing you and your family with years of entertainment under the stars. Its 8" (203mm) aperture parabolic primary mirror serves up jaw-dropping images of the planets, cloudy nebulas, star clusters, and galaxies. The 8"-aperture reflector telescope tube rides on a streamlined, ultra-stable Dobsonian base, which moves smoothly on non-stick PTFE and UHMW polyethylene bearing pads. The Orion CorrecTension system keeps the telescope tube perfectly balanced on the Dobsonian base for simple, effective point-and-view ease of use.

Outfitted with great accessories, the XT8i IntelliScope Dobsonian includes two 1.25" telescope eyepieces, a removable eyepiece rack, base handle, collimation cap, 9x50 Right-Angle Correct-Image Finder Scope, and more.

Take a "push-to" tour of the heavens with the included IntelliScope Object Locator.

The SkyQuest XT8i IntelliScope's Object Locator hand controller will tell you exactly where to point the telescope to see any of over 14,000 celestial objects within its database. Simply select the object you wish to view using the IntelliScope controller's menu buttons, then follow the directional arrows on the controller's display screen to aim the telescope right at the desired object. Or, you can press the Tour button to select one of 12 tours of the best objects visible in any given month.

Begin your night sky explorations with the included 25mm Sirius Plossl Eyepiece.

The included 1.25" Orion 25mm Sirius Plossl eyepiece provides a 48-power view when used with the SkyQuest XT8i IntelliScope reflector. Using this eyepiece's moderate magnification is a great way to begin exploring interesting objects in the sparkling night sky. Offering a wide 52° apparent field of view, the 25mm Sirius Plossl eyepiece yields extremely sharp images of impressively high contrast. You'll be amazed at the crisp, clear views of sights like the cratered surface of the Moon and much more!

Take a closer look with the included 10mm Sirius Plossl Eyepiece.

When you're ready to study objects with more magnification, use the included 10mm Sirius Plossl eyepiece. When inserted into the SkyQuest XT8i IntelliScope reflector, the 10mm Plossl provides a powerful, 120x view with a 52° apparent field of view, so you can inspect interesting objects more closely. We recommend starting out with the lower-power 25mm Plossl, then switching to the 10mm ocular to boost the power of your telescope's view.

Aim your XT8i comfortably with the included 9x50 Right-Angle Correct-Image Finder Scope.

Following a simple alignment procedure, the 9x50 finder scope allows convenient and comfortable aiming of the SkyQuest XT8i IntelliScope. The finder scope's right-angle eyepiece design lets you use the finder without crouching or awkwardly craning your neck. A built-in Amici prism provides a correctly oriented view that isn't upside down, so it's easier to use compared to standard finders.

Use the navigation knob to slew the XT8i IntelliScope from target to target.

The XT8i IntelliScope's enameled steel reflector optical tube boasts a handy "navigation knob" for easy slewing and repositioning of the telescope. To move the telescope, simply take hold of the navigation knob near the front opening of the scope and gently move the tube up or down and left or right as desired.

Dial-in celestial details with the smooth and accurate 2" Crayford focuser.

The SkyQuest XT8i IntelliScope Dobsonian features a 2" Crayford focuser with a removable 1.25" adapter so it can accept both 1.25" and 2" eyepieces and accessories. The Crayford mechanism ensures all focus adjustments are smooth, accurate, and virtually free of backlash and flexure, even with heavier 2" accessories installed, making it easier to achieve the sharpest possible focus.

Learn about the night sky with the included Starry Night Special Edition software.

Explore starry skies anytime - even when it's cloudy! The Orion SkyQuest XT8i IntelliScope Dobsonian includes a FREE Special Edition of Starry Night astronomy software. With realistic sky simulations and a many useful features including telescope control, the user-friendly Starry Night Special Edition software will help you plan your observations and understand what you see. Requires PC running Windows XP, Vista, 7 or 8. Requires Macintosh running OS X 10.4 or higher.

Find out how much fun big-aperture stargazing can be with the "push-to" Orion SkyQuest XT8i Computerized IntelliScope Dobsonian!

Meets or exceeds all California State Environmental Quality & Safety Regulations (CARB 93120 Phase 2 Compliant).

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Brighter deep sky
  • Best for imaging
    Lunar & planetary
  • User level
    Intermediate
  • Optical design
    Reflector
  • Optical diameter
    203mm
  • Focal length
    1200mm
  • Focal ratio
    f/5.9
  • Optics type
    Parabolic
  • Glass material
    Low thermal expansion borosilicate glass
  • Eyepieces
    Sirius Plossl 25.0mm,10.0mm (1.25")
  • Magnification with included eyepieces
    48x, 120x
  • Resolving power
    0.57arc*sec
  • Lowest useful magnification
    29x
  • Highest useful magnification
    300x
  • Highest theoretical magnification
    406x
  • Limiting stellar magnitude
    14.2
  • Optical quality
    Diffraction limited
  • Finder scope
    9x50 Correct-image, right angle
  • Focuser
    2" Crayford
  • Secondary mirror obstruction
    47mm
  • Secondary mirror obstruction by diameter
    23%
  • Secondary mirror obstruction by area
    5%
  • Mirror coatings/over-coatings
    Aluminum & Silicon Dioxide
  • Mount type
    Dobsonian
  • Astro-imaging capability
    Simple moon shots
  • Computerized compatibility
    Intelliscope included
  • Alignment procedure
    2-Star Alignment
  • Number of objects in database
    14,000+
  • Bearing material
    PTFE and UHMW bearings
  • Power requirement
    9-volt battery
  • Available ports
    RS-232
  • Tube material
    Steel
  • Tripod material
    Wood
  • Length of optical tube
    44.5 in.
  • Weight, optical tube
    20.3 lbs.
  • Weight, mount/tripod
    21.3 lbs.
  • Weight, fully assembled
    41.6 lbs.
  • Additional included accessories
    IntelliScope computerized object locator HC, Eyepiece rack, Collimation cap
  • Other features
    Navigation knob, 2" Crayford focuser
  • Warranty
    One year

Orion SkyQuest XT8i Computerized IntelliScope Optical Tube Assembly
25mm Orion Sirius Plössl telescope eyepiece (1.25")
10mm Orion Sirius Plössl telescope eyepiece (1.25")
Orion 2" - 1.25" eyepiece adapter
IntelliScope object locator hand controller
Orion 9x50 finder scope
Finder scope bracket with O-ring
Collimation cap
Telescope eyepiece rack
Dust cap
Eyepiece rack mounting wood screws
Tensioning/Retaining knobs
Tensioning knob nylon washer
Tensioning knob metal washer
Nylon retaining knob spacer
Handle
Handle mounting hex-head screws
Handle mounting screw washers
Crescent wrench
Azimuth encoder board
Encoder connector board
Encoder disk
Left panel
Right panel
Front brace
Top base plate
Ground base plate
Base assembly wood screws
Hex key
Plastic feet
Feet attachment wood screws
Encoder board mounting wood screws
Brass bushing
Azimuth axis hex-head screw
Fender washers
Hex lock nut
Altitude bearing cylinders
Altitude bearing cylinder screws
Vertical stop knob
Flat washers
Altitude encoder assembly
Coil cable
Altitude encoder cable (53")
Azimuth encoder cable (24")
Wire retaining clips
Hook-and-loop strips
Plastic bumper
Wood screws
Nylon washers
9V battery
Starry Night Special Edition astronomy software

Orders received by noon Pacific Time for in-stock item the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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