Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope

BH #CEN127SLT • MFR #22097
Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope
Key Features
  • 127mm Maksutov-Cassegrain OTA
  • 1500mm Focal Length, f/12 Focal Ratio
  • Single-Arm Motorized Alt-Az Mount
  • NexStar Computer Hand Controller
Designed as an entry- to mid-level astronomical observation platform, the Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope gives users the ability to make detailed observations of the Moon, with the ability to easily see planets and reach outside the solar system to resolve distant objects like galaxies, nebulae, and binary or variable stars. The compact and powerful Maksutov-Cassegrain design corrects off-axis aberrations like comas and chromatic aberrations to produce images with true color rendition through the use of a front corrector plate with a convex meniscus lens, which not only eliminates the need for periodic collimation, but by the nature of the lens requires a smaller secondary mirror to limit obstruction and increase contrast.
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Celestron NexStar 127SLT Overview

  • 1Description
  • 2Optical Tube
  • 3NexStar Controller
  • 4Mount and Tripod
  • 5Included Accessories

Designed as an entry- to mid-level astronomical observation platform, the Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope gives users the ability to make detailed observations of the Moon, with the ability to easily see planets and reach outside the solar system to resolve distant objects like galaxies, nebulae, and binary or variable stars. The compact and powerful Maksutov-Cassegrain design corrects off-axis aberrations like comas and chromatic aberrations to produce images with true color rendition through the use of a front corrector plate with a convex meniscus lens, which not only eliminates the need for periodic collimation, but by the nature of the lens requires a smaller secondary mirror to limit obstruction and increase contrast.

The brain of the NexStar SLT is the venerable NexStar computer controller. Equipped with a database of over 4000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog, it can also be programmed with up to 99 custom user-defined objects and filters for custom object lists. Its intuitive menu-driven user interface provides the power to observe the heavens with nine slew speeds and three tracking rates, plus anti-backlash compensation. Features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar controller easy to use and invaluable to new users and experienced stargazers alike.

Optical Tube
  • 127mm aperture
  • f/12 focal ratio
  • 1500mm focal length
  • Maksutov-Cassegrain optical design
  • Front convex meniscus lens corrects spherical and chromatic aberrations and comas (off-axis aberration) across the entire field of view
  • Compared to Schmidt-Cassegrain telescopes, a smaller secondary mirror reduces obstructions and increases contrast
  • Fully coated optics improve light transmission, color rendition, and contrast
  • Resolution: 1.1 arcsec (Rayleigh); 0.91 (Dawes)
  • Internal focusing system
  • Vixen-style dovetail plate
NexStar Controller
  • 4000+ object database
  • 99 customizable user-defined objects
  • Expanded information on over 200 most popular objects including history, facts, and mythology
  • Tracking rates: Sidereal, Solar, Lunar
  • Nine slew speeds: 2x, 4x, 8x, 16x, 32x, 64x, 1°/sec, 2°/sec, 3°/sec
  • Anti-backlash compensation trains out the intrinsic play between gears to improve GoTo and tracking accuracy
  • Alignment procedures: SkyAlign, Auto 2-star, 1-star, 2-star, solar system
  • SkyAlign allows fast and easy alignment without having to polar align or even know the names of stars
  • Tour mode: Seeks out the best objects and automatically slews to them
  • Constellation Tour: Tour of the best objects within a specific constellation
  • Identify mode: Searches the database catalogs or lists and displays the name and offset distances to the nearest matching object
  • Flash upgradable via Internet
  • 2-line/16-character LCD display with 19 backlit LED buttons
  • RS-232 communication port for updating or computer control

Database:

  • Solar system: Includes planets, Moon, and Sun
  • Constellations
  • Named Objects
  • Asterisms
  • Variable stars
  • Double stars
  • Abell catalog
  • IC catalog
  • Caldwell catalog
  • Messier catalog
  • NGC catalog
  • SAO catalog

 

Mount and Tripod
Mount:
  • Single-arm fork design
  • Dual-axis DC servo motors
  • Optical encoders on motors improve GoTo and tracking accuracy; up to 0.26 arcsec accuracy
  • Internal battery compartment to prevent cord wrap during use
  • Hand control and motors are powered by eight user-supplied AA batteries or optional 12 VAC adapter
  • No-tool setup, complete quick release setup and breakdown
Tripod:
  • Stainless steel legs improve stability and vibration reduction
  • Adjustable height accommodates a variety of users and viewing positions
  • Center tray holds accessories like eyepieces, filters, and smartphones
  • Movable NexStar controller helps to prevent cord wrap
Included Accessories
Eyepieces:
  • 1.25"-diameter barrel
  • Accepts most 1.25" astronomical filters
  • 9mm focal length produces 167x power
  • 25mm focal length yields 60x power
Diagonal:
  • 90° angle places head at a comfortable viewing angle
  • Star diagonal corrects image horizontally, but not vertically
Finder:
  • 1x power ensures wide field of view for finding alignment stars easily
  • Dual-circle reticle won't obstruct small objects
  • Variable-intensity LED protects night-adjusted vision
Software:
  • NSOL Telescope Control Software: Provides basic telescope control via computer with optional RS-232 cable
UPC: 050234220972

Celestron NexStar 127SLT Specs

Optical Design
Maksutov-Cassegrain
Aperture
127mm
Focal Length
1500mm
Focal Ratio
f/11.8
Eyepiece Barrel Diameter
1.25"
Diagonal
90° star
Finderscope
StarPointer red-dot
Mount Type
Motorized single-arm alt-azimuth
GoTo Capability
Yes
Tripod
Adjustable-height, stainless steel
Power Source
8 x AA batteries
Optical Tube Dimensions
12.0" / 30.5 cm
Weight
18.0 lb / 8.2 kg
Packaging Info
Package Weight
29.5 lb
Box Dimensions (LxWxH)
39.85 x 18.3 x 11"

Celestron NexStar 127SLT Reviews

See any errors on this page? Let us know

Would this scope work well for astrophotography? ...

Would this scope work well for astrophotography? What else would I need to buy to make work with Sony E mount
Asked by: Matthew
The NexStar 127SLT Maksutov-Cassegrain telescope was not designed for deep-space astrophotography, as a German Equatorial mount with a clock drive is required. However, the telescope is better suited for simple digiscoping of bright objects such as the moon and brighter planets.
Answered by: Telescope
Date published: 2023-01-30

Will a Cell phone hook up to it for pictures?

Will a Cell phone hook up to it for pictures?
Asked by: Mickey
Yes, one can connect a smartphone to the Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope with an adapter. A very good option would be the Celestron NexYZ DX 3-Axis Smartphone Digiscoping Kit, BH #CENEXYZDXK (https://bhpho.to/3EHROPn).
Answered by: Yaakov
Date published: 2022-11-18

What is the weight of the optical tube without ...

What is the weight of the optical tube without accessories (no lens cap, finder, diagonal, or eyepiece)?
Asked by: Nicole
The OTA is approximately 2.7 kg (6 lbs.).
Answered by: Telescope
Date published: 2022-08-23

Will the entire moon fit in view?

Will the entire moon fit in view?
Asked by: Richard
The entire disc of the Moon will fit in the field of view of the NexStar 127SLT's supplied eyepieces .
Answered by: Telescope
Date published: 2022-04-19

Will a cell phone camera hook up to it?

Will a cell phone camera hook up to it?
Asked by: Mickey
Yes it can! Celestron recommends the Basic Smartphone Adapter #81035 or the NexYZ 3-Axis Universal Smartphone Adapter #81055.
Answered by: Telescope
Date published: 2021-03-09

question

Who uses it for photography thats what I am looking for I will be mounting a Nikon D700 and am looking for clean crisp photos?
Asked by: Anonymous
This scope would be good for taking a clear photos. The mount takes into effect, but that's if you are really trying to get more advanced. I would start with this first for shooting photos. You would need 2 adapters to attach your Nikon D700 Camera onto. The first would be the Celestron-SLR (35mm OR Digital) Camera Adapter. Website link: <a href= http://bhpho.to/1lwAhIO target= _blank >http://bhpho.to/1lwAhIO</a>Then you would need a T-Ring which would adapt your Nikon D700 onto the T-Adapter. Vello Lens Mount Adapter-T-Mount Lens to Nikon F Mount Camera would be perfect. Website link: <a href= http://bhpho.to/1d8lKOS target= _blank >http://bhpho.to/1d8lKOS</a>
Answered by: Alex S.
Date published: 2023-01-18

Does this scope support the StarSense AutoAlign?

Does this scope support the StarSense AutoAlign?
Asked by: Paul
Yes, it is compatible.
Answered by: David
Date published: 2021-03-19

Does this telescope have large asteroids (Ceres, ...

Does this telescope have large asteroids (Ceres, Vesta etc.) in it's database?
Asked by: Bryan
No, asteroids are not featured in the NexStar hand controllers database; however, you can manually enter in an asteroid's RA and DEC coordinates to command the telescope to slew to an asteroid. You can also add the SkyPortal WiFi Module and using the free planetarium app, SkyPortal, command the telescope slew to asteroids in its database. Sincerely, Garrett at Celestron
Answered by: Telescope
Date published: 2022-12-13
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