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Orion Telescopes
Beginner
Orion StarSeeker II 102mm GoTo Refractor Telescope
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  • This computerized GoTo refractor telescope is capable of motorized pointing to any of over 4000 celestial objects, and will conveniently track the object until you're ready to move on!
  • Generous 4" aperture refractor gathers a good amount of light to provide crisp views of a wide range of celestial wonders on any clear night
  • With SkyAlign technology, aligning the computerized GoTo system is easy for anyone since you don't have to know the names of the alignment stars!
  • A great telescope to use for astrophotography of the Moon, planets, and short exposures of brighter deep sky objects, or for video astrophotography
  • Includes 1.25" star diagonal, two 1.25" Kellner eyepieces (25mm and 10mm) an EZ Finder II reflex sight for easy aiming, adjustable tripod, dust caps, serial cable for firmware updates, Starry Night software, and more!


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Item #  08991

Featuring a 102mm, f/6.5 achromatic objective lens and a GoTo database of over 4,000 objects, the Orion StarSeeker II 102mm GoTo Refractor Telescope is capable of showing you and your family spectacular views of celestial curiosities on any clear night. Thanks to its straightforward SkyAlign alignment technology, motorized mount, and computerized GoTo system, the StarSeeker II 102mm GoTo Refractor is easy for anyone to use - no matter how familiar or unfamiliar you may be with the night sky.

Using SkyAlign to align the StarSeeker's computerized GoTo system is delightfully easy. All you have to do is enter basic information into the hand controller like the date, time, and your location. Then use the hand controller buttons to point the telescope to any three bright stars in the sky. Unlike many other GoTo systems, SkyAlign does not require you to enter the names of the stars used for alignment, so you don't have to hassle with star charts to determine a star name. This makes it nice and easy for anyone to align the telescope in minutes - even if you do not know the name of a single star in the sky.

Once the easy alignment process is completed, the computerized GoTo system can locate and point the attached refractor telescope to more than 4,000 celestial objects with a few button pushes on the illuminated handheld controller. You'll be able to find fascinating objects to view on every clear night! Once an object is located, the StarSeeker II will automatically track the object's apparent motion across the sky and keep it centered in the telescope eyepiece so you can enjoy the view for as long as you wish until you move on the next object. Beginners will especially appreciate the built-in Sky Tour feature, which commands the StarSeeker II 102mm to find the most interesting objects in the sky and automatically aims the telescope at each one. Both experienced astronomers and "newbies" will have fun exploring the comprehensive database of over 4,000 celestial objects, which includes the planets, Moon, and customized lists of all the best deep-sky objects, bright double-stars, and variable stars to observe. Regardless of your previous astronomy experience, the Orion StarSeeker 102mm GoTo Refractor Telescope will turn you into an instant astronomer!

You'll get sharp views with the StarSeeker II's 102mm-aperture (4"), 660mm focal length (f/6.5) refractor optics. It comes with an assortment of useful accessories, including a 2" rack-and-pinion focuser for use with 1.25" or optional wide-field 2" telescope eyepieces, and an Orion EZ Finder II reflex sight to aid in centering initial alignment stars. Two 1.25" Explorer II telescope eyepieces are also included for two magnification options right out of the box! The included 25mm eyepiece provides 26x magnification, while the 10mm Kellner eyepiece yields 66x for more powerful explorations. Views of the overhead night sky will be comfortable thanks to the included 1.25" star diagonal. For daytime use, an optional 1.25" correct-image diagonal (sold separately) can be inserted to give views proper daytime orientation. An included serial cable allows you to update the hand controller's firmware via computer when updates become available. A handy accessory tray attaches directly to the adjustable-height tripod so you can keep all your eyepieces and other accessories ready and within reach. A battery holder is included which holds 8 AA batteries (batteries sold separately) for powering the StarSeeker II.

Thanks to its versatile combination of motorized GoTo electronics, substantial 102mm aperture, and moderate f/6.5 optics, the Orion StarSeeker II 102mm GoTo Refractor is an ideal instrument for lunar and planetary astrophotography. The computerized StarSeeker II also makes a great video astrophotography telescope, and can even be used to capture short exposures of brighter deep sky objects with great results. 

The included single-arm GoTo altazimuth mount features a dovetail attachment saddle which makes it easy to attach and remove the refractor telescope tube without using tools. The dovetail attachment saddle also allows you to use other telescope tubes equipped with a compatible dovetail mounting plate. 

Weighing just 14 lbs. fully assembled, this telescope is portable enough to take along just about anywhere. Amaze your friends with views of celestial delicacies at your next dinner party, or go on deep space adventures during your next family campout - it's easy to do with the StarSeeker II 102mm GoTo Refractor.

StarSeeker II requires power from 8 AA batteries (not included), an optional 12V field battery, or an optional AC-to-DC power adapter. A battery holder is included which holds 8 AA batteries.

Warranty

Limited Warranty against defects in materials or workmanship for two years 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.

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Lunar & planetary
  • Best for imaging
    Lunar & planetary
  • User level
    Beginner
  • Optical design
    Refractor
  • Optical diameter
    102mm
  • Focal length
    660mm
  • Focal ratio
    f/6.5
  • Coatings
    Multi-coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Crown/Flint
  • Eyepieces
    Kellner 25.0mm,10.0mm (1.25")
  • Magnification with included eyepieces
    26x, 66x
  • Resolving power
    1.14arc*sec
  • Lowest useful magnification
    15x
  • Highest useful magnification
    204x
  • Highest theoretical magnification
    204x
  • Limiting stellar magnitude
    12.7
  • Optical quality
    Diffraction limited
  • Finder scope
    EZ Finder II
  • Focuser
    2" Rack-and-pinion
  • Mount type
    Altazimuth
  • Astro-imaging capability
    Lunar & planetary
  • Computerized compatibility
    Go-To included
  • Alignment procedure
    SkyAlign, Auto 2-Star Align, 2-Star Alignment, 1-Star Align, Solar System Align
  • Number of objects in database
    4,000
  • Tracking rates
    Sidereal, Solar and Lunar
  • Motor speeds
    4°/Sec, 2°/Sec, 1°/Sec, 0.5°/Sec, 32x, 16x, 8x, 4x, 2x
  • Motor type
    DC Servo motors with encoders
  • Power requirement
    8-AA batteries or 12-volt DC
  • Setting circles
    Electronic, via the hand controller
  • Available ports
    RS-232
  • Tube material
    Aluminum
  • Tripod material
    Aluminum
  • Length of optical tube
    24.7 in.
  • Weight, optical tube
    5.5 lbs.
  • Weight, mount/tripod
    8.5 lbs.
  • Weight, fully assembled
    14.0 lbs.
  • Additional included accessories
    Starry Night Astronomy Software, RS-232 serial cable, Battery holder (requires 8x AA)
  • Other features
    Computerized GoTo mount, illuminated hand controlr, Dovetail tube mounting saddle, Accessory tray
  • Warranty
    Two year

Orion StarSeeker II 102mm Refractor optical tube assembly (OTA)
StarSeeker II GoTo mount and adjustable tripod
StarSeeker II hand controller with 4,000+ object database
Orion EZ Finder II reflex sight
25mm Kellner telescope eyepiece, 1.25"
10mm Kellner telescope eyepiece, 1.25"
1.25" Star diagonal
Battery holder for 8 AA batteries (batteries not included)
RS-232 cable
Starry Night Special Edition astronomy software 

Orders received by 1pm Eastern Standard 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.

A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

Standard Delivery: $0.00
3 Day Delivery: $82.00
2 Day Delivery: $82.00
Next Day Delivery: $96.00

SHIPPING RESTRICTIONS APPLY FOR THIS PRODUCT

This product is available to ship Standard delivery within the 50 US states, APO/DPO/FPO addresses and US territories/protectorates. Delivery is not available to Canada.

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