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Celestron NexStar 4SE Computerised Telescope

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Celestron NextStar 4SE Computerised Telescope

Winner of the Telescope Of The Year Award 2013 - Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 4SE.

It’s the perfect choice for your first serious telescope, offering striking views at an economical price. It's portable with quick and easy setup, and it breaks down into several smaller, light pieces for easy transportation.  If you want to explore the world of astroimaging, the 4SE is a perfect choice. Its built-in wedge allows you to track long exposures. You can even remove the telescope’s secondary mirror and replace it with a DSLR, using the Celestron T-Adapter.


    • - 4-inch aperture provides excellent light-gathering ability at an affordable price.
    • - You’ll get impressive views of the Moon and planets, along with deep sky objects like the Orion Nebula, while retaining a compact form factor.
    • - Fully automated GoTo mount with database of 40,000+ celestial objects automatically locates and tracks objects for you.
    • - SkyAlign technology gets your telescope aligned and ready to observe in minutes.
    • - Even if you’re unfamiliar with the night sky, you can easily align your telescope on any three bright objects.
    • - Unique single fork arm design and sturdy steel tripod all break down into separate components for easy transport and quick assembly.



    View the Universe’s Most Impressive Celestial Objects
    The 4SE’s four-inch primary mirror packs enough light-gathering ability to observe the best that the solar system has to offer: Saturn’s rings, the cloud bands on Jupiter, and geographic features on the surface of the Moon. When it comes to deep sky objects, take your 4SE to a dark-sky site and you’ll see hundreds of pinpoint stars in the Hercules Globular Cluster, the spiral arms of the Whirlpool Galaxy, and more. 


    Revolutionary Single Fork Arm Mount
    We know the best telescope is the one you will use most often. That’s why Celestron’s engineers created NexStar SE’s unique, patented single fork arm mount. It’s perfectly portable and makes setup quick and easy. What’s more, the NexStar SE breaks down into several lightweight and compact pieces, making it easy to transport, even in small vehicles. You’ll have no problem getting the NexStar SE to your favorite observing site, or setting it up quickly in the garden.


    Of course, it’s what’s inside the mount that really counts. Sturdy construction from high-quality components give NexStar SE the pointing and tracking accuracy needed to observe and follow your favorite targets with push-button ease. Use the included NexStar+ hand control to locate over 40,000 celestial objects, or take a Sky Tour and let your telescope show you the best objects currently visible.


    Aligning your telescope is simple and painless, too, thanks to SkyAlign. This process makes alignment as easy as 1-2-3: just center three bright objects in your eyepiece and press ALIGN.


    Advanced Features Let the NexStar SE Grow with You
    The NexStar SE is compatible with all the high-tech accessories advanced users love. Provide GPS coordinates to your telescope with SkySync, or add automatic alignment functionality with StarSense AutoAlign.


    If you want to explore the world of astroimaging, the 4SE is a perfect choice. Its built-in wedge allows you to track long exposures. You can even remove the telescope’s secondary mirror and replace it with a DSLR  for wide field images captured at f/2 using a Fastar/HyperStar lens assembly. From your first observing session and for years to come, the NexStar SE is your trusted companion.



     Celestron has been in the forefront of computerized telescope technology for over two decades. We have taken this expertise in telescope technology one step further with NexRemote™ Telescope Control Software. NexRemote allows the user to control their Celestron computerized telescope from their personal computer. Everything done using the telescope’s hand control can now be accomplished remotely from a PC or laptop. This software was developed for Celestron’s high-end telescopes that use the NexStar control system, including the NexStar SLT and SE series, Advanced VX, CPC, CGEM, and CGE Pro.


    NexRemote provides full emulation of every aspect of the Celestron computerized hand control, including:

    • - Alignment in any tracking mode
    • - Celestial object database
    • - Programmable user objects
    • - Hibernation
    • - Connection to popular planetarium programs



    In addition to being a hand control emulator, NexRemote includes several exclusive features that will turn your observing session into a full interactive, multimedia experience. NexRemote can be downloaded free of charge from the Celestron website.

    All Celestron telescopes come with a 2 year warranty.

  • Optical Design
    Aperture (mm)
     102 mm (4.02 in)
    Focal Length
    1325 mm (52 in)
    Focal Ratio
    Focal Length of Eyepiece 1 (mm)  25 mm (0.98 in)
    Magnification of Eyepiece 1  53 x
    Power Requirements
    8-AA batteries (not included)
    Star Diagonal
    Internal Flip mirror for straight thru or 90 viewing angle
    Finderscope  StarPointer
    Mount Type
    Single Fork Arm Altazimuth
    Steel with built-in wedge
    Highest Useful Magnification 241 x
    Lowest Useful Magnification 15 x
    Limiting Stellar Magnitude 12.5
    Resolution (Rayleigh)  1.37 arc seconds
     Resolution (Dawes)  1.14 arc seconds
     Light Gathering Power (Compared to human eye)  212 x
    Apparent Field of View 1 °
    Linear Field of View (@1000 yds) 53 ft (16 m)
    Secondary Mirror Obstruction 1.38 in (35 mm)
    Secondary Mirror Obstruction by Diameter 34%
     Secondary Mirror Obstruction by Area 12%
    Optical Coatings StarBright XLT
    Optical Tube Length 13.5 in (343 mm)
    Total Telescope Kit Weight 11 lbs (4.99 kg)
    Tripod Weight 10 lbs (4.54 kg) lbs (4.54 kg)
    Slew Speeds Nine slew speeds
    Tracking Rates Sidereal, Solar and Lunar
    Tracking Modes Alt-Az, EQ North & EQ South
    Alignment Procedures SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, SolarSystem Align
    Communication Ports RS-232 communication port on hand control, Aux port, Camera Control port
    Computer Hand Control Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons
    Database 38,181 accessible objects
    Warranty Two Years

Additional Information

Box Contents: Celestron NexStar 4SE Telescope, 25mm Eyepiece, Star Pointer Finderscope, Steel Tripod with built-in Wedge, The Sky™ Level 1 Astronomy Software, NexRemote telescope control software, RS232 Cable, Camera Shutter Cable, Computerized Hand Control with nearl
Manufacturer Celestron
Model AstroMaster 76EQ
MPN 31035