About this product
Model: slt90
Part Number: 22087-CGL
The Celestron Nexstar 90 SLT is an affordable mid-level computerized GoTo telescope with high quality, high contrast Maksutov-Cassegrain optics. Supplied with pre-assembled, adjustable stainless steel tripod and quick-release fork arm and optical-tube-assembly for quick and easy setup. No tools required!
Observe details on the lunar surface, Venus and its phases, polar caps on Mars, Jupiter and its four moons, Saturn with its rings and much more!
Intelligent Design
Can be powered by 8 AA (user supplied) batteries or a suitable AC adapter or portable power-tank. This telescope loves to travel! The ergonomically designed hand control can be removed from its holder for remote use or left in situ 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.
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 select the Moon or bright planets!
KEY ADVANTAGES OVER COMPETING TELESCOPES
- 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
COMPUTERISED 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
Product Videos
What's in the box
- Telescope OTA
- SLT Mount, Tripod & Handset
- StarPointer Finderscope
- 25mm & 9mm Eyepieces
- 1.25" Star Diagonal
- The Sky Level 1 and NexStar Observers List
Specifications
OPTICAL DESIGN | Maksutov-Cassegrain |
WEIGHT | 12 lb (5.44 kg) |
APERTURE | 90 mm (3.54 in) |
FOCAL LENGTH | 1250 mm (49.21 in) |
FOCAL RATIO | 13.89 |
FINDERSCOPE | StarPointer |
MOUNT | Motorized Altazimuth |
EYEPIECE 1 | 25 mm (0.98 in) |
MAGNIFICATION 1 | 50 x |
EYEPIECE 2 | 9 mm (0.35 in) |
MAGNIFICATION 2 | 139 x |
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 | 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 ° |
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: 4°/sec, 2°/sec, 1°/sec, .5°/sec, 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 |
Downloads / Manuals
The following manuals and downloads are available for this product:
Manuals
NexStar SLT Series MAKs Manual (PDF)
Software
Celestron Firmware Manager (CFM)
Customer reviews
FAQ
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