Celestron NexStar 90SLT Computerised Telescope

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Celestron NexStar 90SLT Computerised Telescope

The Celestron NexStar 90SLT Computerised Telescope is a high-specification GoTo telescope that will give you excellent views of features of the night sky such as the topology of the Moon’s surface, Saturn and its rings and Jupiter and its four Galilean moons.

The GoTo feature means you can use the hand control to direct the telescope to find any one of about 4000 celestial objects in its database if that object is visible in the sky at that time.

The hand control can also provide information on its display about the object you have chosen to look at.

The Celestron NexStar 90SLT Computerised Telescope is very easily and quickly set up on its stainless steel tripod without the need for tools whether in your garden or at a location undisturbed by street lighting. Then SkyAlign makes it straightforward to align the telescope. Simply point it at three bright celestial objects in the sky (you do not need to know what they are) and the telescope will work out its exact position from recognizing its position in relation to the three identified celestial objects.

Intelligent Design

The internal battery compartment provides power to the high-precision servo motors for rigid low-vibration performance.

The NexStar's ergonomically designed hand control can be left in its holder for hands-free use or removed for remote use. With a touch of a button, you can select the object catalogue, change the slew speed, view fascinating information about an object or simply learn if a desired object is currently visible in the sky.

Celestron SkyAlign

Using Celestron SkyAlign means you can input the date, time and location in the hand control, then direct the telescope towards any three bright celestial objects in the sky and the telescope will align itself.

Features

  • High-quality 90-mm Maksutov-Cassegrain optical design
  • Fully computerized Altazimuth mount
  • StarPointer Finderscope alignment and accurate location of 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
  • Suitable for terrestrial and celestial observing
  • SkyX – First Light Edition astronomy software with 10,000 object database, printable sky maps, 75 enhanced images

Computerized Mount Features

  • Proven NexStar computer control technology
  • Database allows telescope to locate 4000+ celestial objects
  • SkyAlign allows alignment on any three bright celestial objects for fast, easy alignment process
  • Flash-upgradeable hand control software and motor control units for downloading product updates via Internet
  • Internal battery compartment prevents cord wrap during use
  • Auxiliary port for additional accessories such as GPS
  • Includes NSOL telescope control software for basic control of telescope via computer (with optional cable not incl)
  • Compatible with optional NexRemote telescope control software for advanced control of telescope via computer

Specification

  • Optical design: Maksutov-Cassegrain
  • Aperture: 90 mm (3.54 inches)
  • Focal length: 1250 mm (49 inches)
  • Focal ratio: 14
  • Focal length of eyepiece 1: 25 mm (0.98 inches)
  • Magnification of eyepiece 1: 50x
  • Focal length of eyepiece 2: 9 mm (0.35 inches)
  • Magnification of eyepiece 2: 139x
  • Finderscope: StarPointer
  • Star diagonal: 1.25
  • Mount type: Motorized altazimuth
  • Accessory tray: No-tool quick release
  • Tripod: Stainless steel
  • Highest useful magnification: 213x
  • Lowest useful magnification: 13x
  • Limiting stellar magnitude: 12.3
  • Resolution (Rayleigh): 1.55 arc secs
  • Resolution (Dawes): 1.29 arc secs
  • Light-gathering power compared to human eye: 165x
  • Apparent field of view: 1°
  • Linear field of view @1000 yds: 53 ft (16 m)
  • Full optical coating
  • Slew speeds: 9
  • Power: 8 x AA batteries (not incl) or optional AC adapter (not incl)
  • Tracking rates: Sidereal, Solar, Lunar
  • Tracking modes: Alt-Az, EQ North, 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
  • Hand control database: 4000+ objects
  • Accessory port for optional SkySync GPS (GPS not incl)
  • Telescope warranty: 2 years

Technology

  • Flash upgradeable
  • NexRemote
  • SkyAlign technology
Product description

Celestron NexStar 90SLT Computerised Telescope

The Celestron NexStar 90SLT Computerised Telescope is a high-specification GoTo telescope that will give you excellent views of features of the night sky such as the topology of the Moon’s surface, Saturn and its rings and Jupiter and its four Galilean moons.

The GoTo feature means you can use the hand control to direct the telescope to find any one of about 4000 celestial objects in its database if that object is visible in the sky at that time.

The hand control can also provide information on its display about the object you have chosen to look at.

The Celestron NexStar 90SLT Computerised Telescope is very easily and quickly set up on its stainless steel tripod without the need for tools whether in your garden or at a location undisturbed by street lighting. Then SkyAlign makes it straightforward to align the telescope. Simply point it at three bright celestial objects in the sky (you do not need to know what they are) and the telescope will work out its exact position from recognizing its position in relation to the three identified celestial objects.

Intelligent Design

The internal battery compartment provides power to the high-precision servo motors for rigid low-vibration performance.

The NexStar's ergonomically designed hand control can be left in its holder for hands-free use or removed for remote use. With a touch of a button, you can select the object catalogue, change the slew speed, view fascinating information about an object or simply learn if a desired object is currently visible in the sky.

Celestron SkyAlign

Using Celestron SkyAlign means you can input the date, time and location in the hand control, then direct the telescope towards any three bright celestial objects in the sky and the telescope will align itself.

Features

  • High-quality 90-mm Maksutov-Cassegrain optical design
  • Fully computerized Altazimuth mount
  • StarPointer Finderscope alignment and accurate location of 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
  • Suitable for terrestrial and celestial observing
  • SkyX – First Light Edition astronomy software with 10,000 object database, printable sky maps, 75 enhanced images

Computerized Mount Features

  • Proven NexStar computer control technology
  • Database allows telescope to locate 4000+ celestial objects
  • SkyAlign allows alignment on any three bright celestial objects for fast, easy alignment process
  • Flash-upgradeable hand control software and motor control units for downloading product updates via Internet
  • Internal battery compartment prevents cord wrap during use
  • Auxiliary port for additional accessories such as GPS
  • Includes NSOL telescope control software for basic control of telescope via computer (with optional cable not incl)
  • Compatible with optional NexRemote telescope control software for advanced control of telescope via computer

Specification

  • Optical design: Maksutov-Cassegrain
  • Aperture: 90 mm (3.54 inches)
  • Focal length: 1250 mm (49 inches)
  • Focal ratio: 14
  • Focal length of eyepiece 1: 25 mm (0.98 inches)
  • Magnification of eyepiece 1: 50x
  • Focal length of eyepiece 2: 9 mm (0.35 inches)
  • Magnification of eyepiece 2: 139x
  • Finderscope: StarPointer
  • Star diagonal: 1.25
  • Mount type: Motorized altazimuth
  • Accessory tray: No-tool quick release
  • Tripod: Stainless steel
  • Highest useful magnification: 213x
  • Lowest useful magnification: 13x
  • Limiting stellar magnitude: 12.3
  • Resolution (Rayleigh): 1.55 arc secs
  • Resolution (Dawes): 1.29 arc secs
  • Light-gathering power compared to human eye: 165x
  • Apparent field of view: 1°
  • Linear field of view @1000 yds: 53 ft (16 m)
  • Full optical coating
  • Slew speeds: 9
  • Power: 8 x AA batteries (not incl) or optional AC adapter (not incl)
  • Tracking rates: Sidereal, Solar, Lunar
  • Tracking modes: Alt-Az, EQ North, 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
  • Hand control database: 4000+ objects
  • Accessory port for optional SkySync GPS (GPS not incl)
  • Telescope warranty: 2 years

Technology

  • Flash upgradeable
  • NexRemote
  • SkyAlign technology
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