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Celestron StarSense Explorer LT 127AZ Telescope
In Stock
This telescope offers an easy-to-use stargazing experience with smartphone navigation and real-time sky guidance. The 127mm Newtonian reflector provides bright, detailed views of celestial objects, while the lightweight design is perfect for travel. Its altazimuth mount allows for smooth tracking, making it ideal for both beginners and seasoned astronomers looking to explore the night sky effortlessly. Compatible with most modern smartphones, it requires no complex alignments or star charts.
Features
The Celestron StarSense Explorer LT 127AZ revolutionises the manual telescope experience with built-in smartphone navigation. Using Celestron’s patented StarSense Sky Recognition Technology, it analyses star patterns through your phone to pinpoint exactly where your telescope is aimed — guiding you effortlessly to planets, galaxies, and nebulae in real time.
Simply dock your smartphone, launch the StarSense Explorer app, and follow the on-screen arrows as they lead you to celestial targets. Within minutes, you’ll be confidently exploring the sky — no star charts or complex alignments needed.
The 127mm Newtonian reflector delivers bright, detailed views of the Moon, Jupiter’s moons, Saturn’s rings, and deep-sky favourites like the Orion Nebula and Pleiades cluster. Its sturdy altazimuth mount with slow-motion control makes fine adjustments smooth and easy, while the lightweight 11.4 lb setup is perfect for travel and quick backyard sessions.
Key Features
- 127 mm Newtonian reflector with bright, sharp optics
- StarSense smartphone dock and app for real-time sky guidance
- Uses patented "Lost in Space Algorithm" (LISA) technology for precise positioning
- Compatible with most modern iOS and Android smartphones
- Simple altazimuth mount with slow-motion control for smooth tracking
- Includes 25 mm and 10 mm eyepieces, 2× Barlow lens, and red-dot finder
- Portable, lightweight design - ideal for city use or dark-sky trips
Specifications
Optical Tube Info
- Optical Design
- Newtonian Reflector
- Aperture
- 127mm
- Focal Length
- 1000mm
- Focal Ratio
- f/7.87
- Focal Length of Eyepiece 1
- 25mm
- Magnification of Eyepiece 1
- 40x
- Focal Length of Eyepiece 2
- 10mm
- Magnification of Eyepiece 2
- 100x
- Barlow Lens
- 2x
- Finderscope
- StarPointer™ red dot finderscope
- Optical Tube
- Steel
- Highest Useful Magnification
- 300x
- Lowest Useful Magnification
- 18x
- Limiting Stellar Magnitude
- 13
- Resolution (Rayleigh)
- 1.1 arc seconds
- Resolution (Dawes)
- .91 arc seconds
- Light Gathering Power (Compared to human eye)
- 329x
- Secondary Mirror Obstruction
- 41mm
- Secondary Mirror Obstruction by Diameter
- 32%
- Secondary Mirror Obstruction by Area
- 10%
- Optical Coatings
- Glass mirrors coated with aluminum and SiO2
- Optical Tube Length
- 457.2mm
- Optical Tube Diameter
- 165.1mm
- Optical Tube Weight
- 3.44 kg
- Dovetail
- None
Mount Info
- Mount Type
- Manual Alt-Azimuth
- Height adjustment range (includes mount and tripod)
- Aluminum, 1320.8mm max height
- Tripod Leg Diameter
- 31.75mm steel
- Accessory Tray
- Yes
- Tripod Weight
- 1.72 kg
- Slew Speeds
- Manual
- GPS
- Uses phone's GPS
- Dovetail Compatibility
- None
- Power Requirements
- None (Recommend PowerTank Glow to keep phone charged while using App)
- Alignment Procedures
- Use StarSense Explorer App
- Software
- StarSense Explorer App, SkyPortal App, and Celestron Starry Night Basic Edition Software
- Total Kit Weight
- 5.17 kg
Included Items
- Optical tube
Mount and tripod (preassembled)
25mm and 10mm eyepieces
2x Barlow Lens
StarPointer finderscope
Accessory tray
StarSense Explorer phone dock