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Celestron

Celestron NexStar 4SE Computerized Telescope – 4-Inch Maksutov-Cassegrain Optical Tube – Fully Automated GoTo Mount with SkyAlign – Ideal for Beginners and Advanced Users – 40,000+ Object Database

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Availability: In Stock.
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Arrives Saturday, Jun 28
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Style: NexStar 4SE Computerized Telescope


Features

  • ADVANCED TECH MEETS ICONIC DESIGN: The NexStar 4SE pairs Celestrons legendary orange tube with a fully computerized GoTo systemideal for those ready to step up from manual scopes and explore more of the night sky with precision and ease.
  • 4-INCH MAKSUTOV-CASSEGRAIN OPTICS: The 4" aperture, combined with high-contrast, long focal length optics, delivers sharp views of the Moon and planets, while remaining compact and easy to transport.
  • FULLY AUTOMATED GoTo MOUNT WITH NEXSTAR+ HAND CONTROL: Use the NexStar+ hand control to select from a 40,000+ object database. The computerized mount then automatically slews to your target and tracks itno star charts or manual alignment needed.
  • FAST & EASY ALIGNMENT WITH SKYALIGN TECHNOLOGY: SkyAlign gets you observing fastjust center any three bright stars or planets, even if you dont know their names. The system then calculates your position and aligns the mount in minutes.
  • BUILT-IN WEDGE FOR ASTROIMAGING: Capture long-exposure images of the night skyperfect for entry-level astrophotography. The integrated wedge lets you polar align the mount, reducing field rotation for improved tracking during imaging.
  • COMPATIBLE WITH CELESTRON ACCESSORIES: Easily upgrade your setup with all our latest accessories to enhance automation, wireless control, or location accuracy as your skills grow.
  • UNBEATABLE WARRANTY & CUSTOMER SUPPORT: Buy with confidence from the telescope brand, based in California since 1960. Youll also receive a 2-year warranty and unlimited access to technical support from our team of US-based experts.

Description

The Celestron NexStar 4SE is a powerful, feature-rich telescope designed to launch beginners into their journey through the night sky. With its iconic orange tube and advanced Maksutov-Cassegrain optics, the 4SE offers impressive light-gathering ability in a compact, portable form—perfect for sharp views of the Moon and planets. The fully automated GoTo mount makes finding objects effortless. Use the included NexStar+ hand control to choose from a database of over 40,000 celestial objects, and the mount will automatically locate and track your target with precision. Getting started is easy with SkyAlign technology: simply center any three bright stars or planets in the eyepiece—even if you don’t know their names—and the system calculates your position and aligns the telescope in minutes. For those interested in astrophotography, the built-in wedge allows for polar alignment, enabling longer exposures and more accurate tracking of celestial objects. The NexStar 4SE is also compatible with a wide range of Celestron accessories, including StarSense AutoAlign for hands-free setup, SkyPortal WiFi for wireless control, and SkySync GPS for enhanced accuracy. With its combination of optical performance, smart technology, and upgrade potential, the NexStar 4SE is built to grow with you. Backed by Celestron’s 2-Year Warranty and US-based technical support. From the Manufacturer Manufacturer Description Featuring high-quality Maksutov-Cassegrain optics, the NexStar 4SE is an ideal telescope for observing and photographing the wonders of space. With a total weight of 21 pounds including the tripod, the ultra portable 4SE features a precision optical system with 1,325mm focal length (f13) and is the first Maksutov system to ever feature our premium StarBright XLT coatings. The 4SE includes a camera control feature that allows you to remotely take a series of timed exposures using your digital SLR camera. Plus the flip mirror control, straight-through photographic port, and tripod featuring a built-in wedge help make short-exposure astrophotography a heavenly experience. The NexStar 4SE has all the same features as Celestron's most advanced computerized GoTo telescopes, including our revolutionary SkyAlign alignment technology, a sky tour feature, a database of nearly 40,000 celestial objects, and easy-to-use hand control. Plug the optional CN-16 GPS accessory into NexStar's auxiliary port and download data from orbiting GPS satellites for truly quick and easy alignments. The universe may be full of mysteries, but using the NexStar 4SE isn't one of them. In the tradition of Celestron's famous orange optical tubes, the NexStar SE Family combines the classic heritage of the original orange tube telescopes with state-of-the-art features including a fully computerized operating system, flash upgradeable hand control, our superior StarBright XLT coatings, our revolutionary SkyAlign telescope alignment software, and much more. Whether you are a seasoned astronomer looking for a portable scope with advanced features, or just starting your astronomy adventure and looking for an easy way to enjoy the night sky, a NexStar SE will help you take a closer look. Every NexStar SE includes a version of The Sky software Level 1 Planetarium software for exploring the Universe on your PC and printing out custom star charts of the sky. In addition, you receive our NexRemote software that allows you to operate your telescope via your PC. This software package, valued at over $100, is included free with your NexStar SE! General Features: 4-inch Maksutov-Cassegrain telescope SE combines the classic heritage of the original orange tube telescopes with the latest state- of-the-art features StarBright XLT high transmission coatings come standard StarPointer finderscope to help with alignment and accurately locating objects Internal flip mirror for convenient viewing straight through (with optional diagonal) or at 90 degrees Quick-release fork arm mount, optical tube, and accessory tray for no-tool setup Sturdy computerized altazimuth mount Internal battery compartment to prevent cord wrap during use Ultra sturdy steel tripod features built-in wedge which allows 4SE to be used for astrophotography Includes CD-ROM "The Sky" astronomy software which provides education about the sky and printable sky maps Computerized Features: Proven NexStar computer control technology Nearly 40,000 object database with 200 user-definable objects and expanded information on over 200 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 Includes a camera control feature and shutter release cable that allows you to remotely take a series of exposures using your digital SLR camera Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable star; solar systems; objects and asterisms DC Servo motors with encoders on both axes Double line, 16-character liquid crystal display hand control with backlit LED buttons for easy operation of go-to features NexRemote telescope control software and RS-232 cable included for advanced control of your telescope via computer GPS- compatible with optional CN16 GPS accessory

Brand: Celestron


Model Name: NexStar 4SE Computerized Telescope


Optical Tube Length: 343 Millimeters


Eye Piece Lens Description: 25mm eyepiece


Objective Lens Diameter: 102 Millimeters


Telescope Mount Description: Computerized Altitude-Azimuth Single Fork Arm


Product Dimensions: 32"D x 34"W x 52"H


Focus Type: Manual Focus


Power Source: Battery Powered


Finderscope: StarPointer™ red dot finderscope


Product Dimensions: 32 x 34 x 52 inches


Item Weight: 22.9 pounds


Item model number: 11049


Batteries: 1 Lithium Metal batteries required. (included)


Is Discontinued By Manufacturer: No


Date First Available: June 17, 2003


Department: Mounts


Manufacturer: Celestron


Country of Origin: China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Jun 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Back yard show maker
Style: NexStar 5SE
Review Image by Keith B. Keith B.
Excellent telescope fantastic technology.
Reviewed in the United States on April 26, 2025 by Keith B. Keith B.
    • Pound for pound, a winner
Style: NexStar 5SE
I've owned a 10" dob (Coulter 10" f/4.5) and an ETX-90 (the original non-computerized model). This scope is my re-entry into amateur astronomy after being away for a few years. I live right smack in the middle of a heavily light polluted metropolitan area (Toronto), and it would take at least two hours to get to a genuinely dark site. So I wound up looking for a small scope that would give me good views of solar system objects. I've been pleasantly surprised. There have been only two nights since I got thing that the sky hasn't been completely socked in by clouds, and the moon has been down for both of them. So I haven't gotten the scope on the moon yet, but Jupiter has been beautifully placed, and it looks fantastic! I get a ton more detail off the planetary disc than I ever got from either previous instrument, and it compares favourably with views I've had through an assortment of friends' scopes. (I used the supplied 25mm Plössl, and a 7mm Nagler.) It's light enough that I can grab it and take it out to the end of the driveway for a quick look at the moon or a planet. I just wish that it either got decent battery life on internal power, or could slew around in altaz mode with the power off. I added a Power Tank after reading reviews of the scope's internal battery life. The tank is awkward enough to compromise the scope's ease of deployment, but I suppose I can throw it in a backpack. I'll definitely want to invest in an adjustable chair; the eyepiece wound up at a very awkward height when Jupiter was up near the zenith. For objects closer to the horizon, the height of the tripod makes the eyepiece position much less bad. Pros: * Really sharp optics * Light weight * Low price, especially compared to what computer-controlled SCTs sold for when I owned my previous scope * Star Pointer instead of a crappy 5x24 finder * Some attempt at including a built-in wedge Cons: * Azimuth locks up when power turned off, which prevents you from using it in altazimuth mode with the drive switched off * Really needs a Power Tank for use, which degrades the value of the scope's light weight * Built-in wedge is very rudimentary * Won't take a 2" diagonal for wide-angle views without vignetting The NexStar 6 gets all the attention, and for 36% more light gathering area for 18% more money, it's a great value. But at 45 pounds vs. the 28 of the NexStar 5, it's 50% heavier for that extra 36% light, more if you add a wedge. The 5 is a big small instrument; I scaled up to it after looking at the computerized ETX-90. The 6 is a small primary instrument; I can imagine scaling down to one after looking at an 8" SCT. For shallow-sky observing in the light-polluted city, and for an instrument that I can carry a long way from my car in one trip with the tripod, single-arm fork, and tube mated up, I think this is a winner. ... show more
Reviewed in the United States on December 31, 2012 by Susan Davis
    • Great Telescope for the Money
Style: NexStar 4SE Computerized Telescope
Review Image by Brian Lessig Brian Lessig
Review Image by Brian Lessig Brian Lessig
Review Image by Brian Lessig Brian Lessig
THIS REVIEW IS FOR THE NEXSTAR 4SE: I don't normally write reviews for most products but since buying a telescope can be trickey I thought I should help others with this process. First of all if you buy this product you will need to buy a 12v power adapter since the only other option is using AA batteries. If you choose to use batteries you will run into several problems. First of all is the fact that the telescope will run through batteries quickly. I really don't even know why they made batteries an option. Second, batteries do not function well during the cold months. Lastly, batteries do not provide sufficient power for this product to function properly. Now that I have discussed power let me tell you about the scope. This telescope comes with a 25mm lens which is fine but you will want more lenses to enhance your experience. I started by getting a Barlow lens (celestron X-cel Barlow). This is a great Barlow for the money and only has slight dimming. My next purchase will be a X-cel 12mm lens. Back to the telescope. The telescope is very easy to set up and provides great views of Jupiter, the moon, Saturn and deep sky objects. It is easy to focus and lived up to all my expectations. I looked at the nexstar 5 but by the time you buy the accessories you need you will be in the $1000 range. I have never viewed through the Nexstar 5 but based on the reviews I would assume that there is not a significant difference unless you are willing to shell out the $$ for something like the nexstar 6 or 8. The tripod that comes with this telescope is heavy duty and stable. The go to features of this telescope are what makes viewing a pleasure and so easy. You will want to make sure and read the Manuel and watch videos on YouTube to learn how the controller works. Once you have learned how to operate the controller you are well on your way to viewing the night sky. For me this telescope has been life changing because I have always wanted a telescope and just never committed to spending the money. I can tell you that it is money well spent because I have spent a lot of quality time viewing with my son and my friends. You can easily transport this scope wherever you go (outdoors) to make any occasion more interesting. I often find that many people have not viewed the planets through a quality scope and they really appreciate the opportunity it provides. So there it is. I highly reccomend this product. I am including some photos of the moon I took through the lens with my iPhone. I am giving 5 stars because of the quality of the telescope. I can overlook the battery issues due to the bottom line fact that I was impressed with the views of the night sky. ... show more
Reviewed in the United States on February 20, 2016 by Brian Lessig Brian Lessig

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