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Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope

SKU# CEL-22087

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$999.95

Retail Price: $1,100.00

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Quick Overview

  • High quality 90mm Maksutov-Cassegrain
  • Night sky viewing made easy with fully computerized Altazimuth mount
  • Database of 4,000+ night sky objects
  • Focus on sky objects quickly with the StarPointer finderscope
  • Quick and painless set up with Quick-release fork arm mount
  • Sturdy stainless steel tripod
  • Convenient accessory tray included
  • Includes "The Sky" Software (Night Sky education)
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    Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope

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    • Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope
    • Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope
    Summary


    Created to be an excellent entry-level telescope into the exciting frontier of astronomy, the Celestron NexStar 90 SLT Computerized Refractor Telescope comes pre-built with many exciting features. With pre-assembled, adjustable stainless steel tripods, and quick-release fork arms and tubes, this NexStar SLT telescope can be set up in a matter of minutes - no dramas at all!

    Cleverly Created
    Powered by 8 AA user-supplied batteries, an optional AC adapter, optional car-battery adapter, or powertank power source, the NexStar GOTO would suit any nomad. The internal battery compartment provides power to the high-precision servo motors for rigid low-vibration performance - while simultaneously eliminating annoying cord wrap issues associated with external battery packs.

    The NexStar's comes with an ergonomically engineered hand controller, allowing the user to remove the hand control from its holder for remote use or leave it cradled for hands-free operation. At the touch of a button, you can select an object from the object catalog, change the slew speed, view fascinating information about an object, or simply find out whether your desired object is visible in your skies.

    The SkyAlign Revolution by Celestrong
    Using Celestron's patented SkyAlign, simply input the date, time, and location into the hand control then slew the telescope to any three bright celestial objects in the sky. Voila and that's it - alignment so easy it's hard to believe! You'll finally be able to spend your evening observing the night sky instead of aligning your telescope!

    Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope Features:
  • High quality 90mm Maksutov-Cassegrain
  • Night sky viewing made easy with fully computerized Altazimuth mount
  • Database of 4,000+ night sky objects
  • Focus on sky objects quickly with the StarPointer finderscope
  • Quick and painless set up with Quick-release fork arm mount
  • Sturdy stainless steel tripod
  • Convenient accessory tray included
  • Includes "The Sky" Software (Night Sky education)


  • NexStar 90SLT - Computerized Mount Features
  • Proven NexStar computer control technology
  • Database allows telescope to locate over 4,000 celestial objects
  • SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Internal battery compartment to prevent cord wrap during use
  • Auxiliary port for additional accessories such as GPS accessory
  • Includes NSOL telescope control software for basic control of your telescope via computer (with optional RS-232 cable)
  • Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer


  • Created to be an excellent entry-level telescope into the exciting frontier of astronomy, the Celestron NexStar 90 SLT Computerized Refractor Telescope comes pre-built with many exciting features. With pre-assembled, adjustable stainless steel tripods, and quick-release fork arms and tubes, this NexStar SLT telescope can be set up in a matter of minutes - no dramas at all!

    Cleverly Created
    Powered by 8 AA user-supplied batteries, an optional AC adapter, optional car-battery adapter, or powertank power source, the NexStar GOTO would suit any nomad. The internal battery compartment provides power to the high-precision servo motors for rigid low-vibration performance - while simultaneously eliminating annoying cord wrap issues associated with external battery packs.

    The NexStar's comes with an ergonomically engineered hand controller, allowing the user to remove the hand control from its holder for remote use or leave it cradled for hands-free operation. At the touch of a button, you can select an object from the object catalog, change the slew speed, view fascinating information about an object, or simply find out whether your desired object is visible in your skies.

    The SkyAlign Revolution by Celestrong
    Using Celestron's patented SkyAlign, simply input the date, time, and location into the hand control then slew the telescope to any three bright celestial objects in the sky. Voila and that's it - alignment so easy it's hard to believe! You'll finally be able to spend your evening observing the night sky instead of aligning your telescope!

    Celestron NexStar 90 SLT Computerized Maksutov-Cassegrain Telescope Features:
  • High quality 90mm Maksutov-Cassegrain
  • Night sky viewing made easy with fully computerized Altazimuth mount
  • Database of 4,000+ night sky objects
  • Focus on sky objects quickly with the StarPointer finderscope
  • Quick and painless set up with Quick-release fork arm mount
  • Sturdy stainless steel tripod
  • Convenient accessory tray included
  • Includes "The Sky" Software (Night Sky education)


  • NexStar 90SLT - Computerized Mount Features
  • Proven NexStar computer control technology
  • Database allows telescope to locate over 4,000 celestial objects
  • SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Internal battery compartment to prevent cord wrap during use
  • Auxiliary port for additional accessories such as GPS accessory
  • Includes NSOL telescope control software for basic control of your telescope via computer (with optional RS-232 cable)
  • Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer
  • Specifications
    Specifications
    Optical Design Maksutov-Cassegrain
    Weight 12 lb (5.44 kg)
    Aperture 90 mm (4.49 in)
    Focal Length 1250 mm (49.21 in)
    Focal Ratio
    13.89
    Eyepiece 1 25 mm (0.98 in)
    Magnification 1 50 x
    Eyepiece 2 9 mm (0.35 in)
    Magnification 2 135 x
    Finderscope StarPointer
    Mount Motorized Altazimuth
    Star Diagonal 1.25
    Accessory Tray No Tool, Quick release
    Tripod Steel
    CD ROM "The Sky®" Level 1 and NexStar Observers List (v2.6.4c))
    Highest Useful Magnification 213x
    Limiting Stellar Magnitude 12.3
    Resolution (Rayleigh) 1.55 arcsec
    Resolution (Dawes) 1.29 arcsec
    Light Gathering Power 165 x
    Angular Field of View
    Linear Field of View (@1000 yds) 53 ft (16.15 m)
    Optical Coatings Fully-Coated
    Computer Hand Control Fully Computerized / Flash Upgradeable
    Slew Speeds Nine slew speeds: 3°/sec, 2°/sec, 1°/sec,
    1°/sec, 64x, 32x, 16x, 8x, 4x, 2x
    Tracking Rates Sidereal, Solar and Lunar
    Tracking Modes Alt-Az, EQ North and EQ South
    Alignment Procedures SkyAlign, Auto 2-Star Align, 1-Star Align,
    2-Star Align, Solar System Align
    Database 4,000 Object Database
    GPS Optional CN-16 GPS Accessory
    Manufacturer Celestron
    Recommended Usage Astrophotography, Viewing Galaxies/Stars, Viewing Nebulae, Viewing the Moon, Viewing the Planets
    User Level For Beginners
    Warranty
    Celestron Limited Warranty

    Celestron warrants its products to be free from defects in materials and workmanship for the length of time specified by this product to the original owner. Each product will list the warranty for it on our website.

    Celestron will repair or replace the product which, upon inspection by Celestron, is found to be defective in materials or workmanship and within the definitions of the limits described below.

    This warranty is effective January 1, 2012, and supersedes all other warranties as noted in brochures, instruction manuals, product packaging, etc.

    This warranty does not cover products that have been subject to abuse, misuse, physically damaged, altered, or had unauthorized repairs or modifications. This warranty does not cover defects due to normal wear and tear and other conditions.

    Celestron shall use reasonable efforts to repair or replace any binocular or spotting scope covered by this warranty within thirty calendar days of receipt. If it takes longer, the customer will be notified.

    If warranty problems arise, or if you need assistance in using your product, please contact our Customer Service.

    Frequently Asked Questions

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