Celestron NexStar 90 SLT Telescope

Further details

NexStar 90 SLT’s can also be used as high resolution land-based spotting telescopes with the addition of an erecting diagonal.

Intelligent Design
Powered by 8 AA (user supplied) batteries or an optional mains adaptor 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!

A 90mm Maksutov optical system with a 4000 object goto mount and SkyAlign for easy alignment, a complete computerised package that includes two eyepieces

NexStar 90SLT - 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

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
Compatible with optional NexRemote telescope control software, for advanced control via computer

Specifications:
Optical Design : Maksutov-Cassegrain
Weight : 12 lb (5.44 kg)
Aperture : 90 mm
Focal Length : 1250 mm
Focal Ratio : 13.89
Finderscope : StarPointer
Mount : Motorized Altazimuth
Eyepiece 25 mm Magnification 50 x
Eyepiece 9 mm Magnification 139 x
Star Diagonal : 1.25"
Accessory Tray :
No Tool, Quick release Tripod : Steel
Highest Useful Magnification : 213 x
Limiting Stellar Magnitude : 12.3
Resolution (Rayleigh) : 1.55 arcsec
Resolution (Dawes) : 1.29 arcsec
Light Gathering Power : 165 x
Angular Field of View : 1 Degree 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
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 GPS Accessory
WiFi :Optional SkyPortal Wi-Fi Adapter

Delivery charge £5.95

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