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Celestron NEXSTAR 90 SLT Telescope

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Celestron NEXSTAR 90 SLT Telescope
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Our Price:  £419.00
List Price:  £479.00
Saving Of:  £60.00
(Inc. 20% VAT)
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Model:  C22087
Brand:  Celestron
Telescope Type:  Maksutov-Cassegrain

Availability:  

  

In stock, immediate despatch



Designed to be an affordable entry level to mid-level computerized GoTo telescope, the NexStar SLT refractors, reflectors, and Maks are available in the most popular sizes and are loaded with valuable design features. With preassembled, adjustable stainless steel tripods, and quick release fork arms and tubes, NexStar SLT telescopes can be set up in a matter of minutes – with no tools required! You can see details of the lunar surface, Venus and its phases, polar caps on Mars, Jupiter and its four moons, Saturn with its rings plainly visible and much more! Most NexStar SLT’s can also be used as a land-based spotting telescope.

Intelligent Design
Powered by 8 AA (user supplied) batteries or an optional AC adapter (#18778) these NexStar GoTo’s love to travel. The internal battery compartment provides power to the high precision servo motors for rigid low-vibration performance while eliminating cord wrap issues associated with external battery packs.

With the NexStar’s ergonomically designed hand control, the user is free to remove the hand control from its holder for remote use or leave it cradled for hands-free operation. With a touch of a button you can select the object catalog, change the slew speed, view fascinating information about an object, or simply know if a desired object is visible in the sky.

Celestron’s Revolutionary SkyAlign
Using Celestron’s patented SkyAlign (patent pending), simply input the date, time and location into the hand control then slew the telescope to any three bright celestial objects in the sky. You do not need to know the names of the stars – you can even pick the Moon or bright planets!

The key advantages over similar looking telescopes:

  • Compatible with Celestron’s StarSense AutoAlign for completely automatic set-up on the night sky
  • NEXSTAR + handset
  • Internal battery compartment - no external corded battery pack
  • SkyQ Wifi link compatible
  • SkyAlign - the simplest, fastest & most beginner friendly alignment method available on any computerised telescope.
  • Four additional alignments including 1 star align and solar system align
  • Auxiliary port for additional accessories (GPS module, SkyQ WiFi link)
  • PC control software INCLUDED (NSOL disc)
  • Sky Maps CD-ROM INCLUDED (The Sky disc)
  • GPS module compatible
  • User friendly StarPointer red-dot finderscope
  • Compatible with Celestron’s NexRemote for advanced PC control

General Features

  • High quality 90mm Maksutov-Cassegrain
  • Fully computerized Altazimuth mount
  • StarPointer finderscope to help with alignment and accurately locating objects
  • Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
  • Sturdy stainless steel tripod and accessory tray included
  • Good for terrestrial and celestial observing
  • Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps

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 SkySync GPS Accessory (93969)
  • 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:

  • Optical Design: Maksutov-Cassegrain
  • Aperture (mm): 90 mm (3.54 in)
  • Focal Length: 1250 mm (49 in)
  • Focal Ratio: 14
  • Focal Length of Eyepiece 1 (mm): 25 mm (0.98 in)
  • Magnification of Eyepiece 1: 50 x
  • Focal Length of Eyepiece 2 (mm): 9 mm (0.35 in)
  • Magnification of Eyepiece 2: 139 x
  • Finderscope: StarPointer
  • Star Diagonal: 1.25
  • Mount Type: Motorized Altazimuth
  • Accessory Tray: No Tool, Quick release
  • Tripod: Steel
  • Highest Useful Magnification: 213 x
  • Lowest Useful Magnification: 13 x
  • Limiting Stellar Magnitude: 12.3
  • Resolution (Rayleigh): 1.55 arc seconds
  • Resolution (Dawes): 1.29 arc seconds
  • Light Gathering Power (Compared to human eye): 165 x
  • Apparent Field of View: 1 °
  • Linear Field of View (@1000 yds): 53 ft (16 m)
  • Optical Coatings: Fully-Coated
  • Slew Speeds: Nine slew speeds
  • 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
  • Computer Hand Control: Fully Computerized / Flash Upgradeable
  • Database: 4,000 Object Database
  • GPS: Optional SkySync GPS Accessory (93969)



NexStar SLT Information Sheet

 

NexStar SLT Series Manual

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