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

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

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

B&H # CEN127SLT MFR # 22097
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Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope

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Product Highlights

  • 127mm Maksutov-Cassegrain OTA
  • 1500mm Focal Length, f/12 Focal Ratio
  • Single-Arm Motorized Alt-Az Mount
  • NexStar Computer Hand Controller
  • 4000+ Object Database
  • Expanded Information on 200+ Objects
  • SkyAlign and other Alignment Modes
  • Multiple Tour Modes with Filters
  • Three Tracking Rates, Nine Slew Speeds
  • Stainless Steel Tripod with Tray
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  • 1Description

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 variables 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 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 99 custom user-defined objects and filters for custom object lists. Its intuitive menu-driven user interface puts 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 star-gazers.

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-Cassegrains, a smaller secondary mirror reduces obstructions and increases contrast
  • Fully-coated optics improves light transmission, color rendition, and contrast
  • Resolution: 1.1 arc sec (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, 16x,8x 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: Sky Align, 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 upgradeable 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
  • Single-arm fork design
  • Dual-axis DC servo motors
  • Optical encoders on motors improve GoTo and tracking accuracy; up to 0.26 arc sec accuracy
  • Internal battery compartment to prevent cord wrap during use
  • Hand control and motors are powered by 8 user-supplied AA batteries or optional 12V AC adapter
  • No-tool set up, complete quick-release setup and breakdown
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 in 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
    Tripod:
  • Stainless steel legs improve stability and vibration reduction
  • Adjustable height accommodates a variety of users and viewing positions
  • Center tray hold accessories like eyepieces, filters, and smartphones
  • Moveable NexStar controller helps to prevent cord-wrap
    Software:
  • NSOL Telescope Control Software: Provides basic telescope control via computer with optional RS-232 cable
UPC: 050234220972
In the Box
Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope
  • StarPointer Pro Finderscope
  • 9mm Eyepiece
  • 25mm Eyepiece
  • 90° Star Diagonal
  • NexStar Hand Controller
  • Stainless Steel Tripod with Tray
  • "The Sky X" Astronomy Software
  • NSOL Telescope Control Software
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Optical Design Maksutov-Cassegrain
    Aperture 127 mm
    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
    GO-TO 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 11.0"

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

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