NexStar 4 SE 4” Go-to Maksutov-Cassegrain

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4" Starbright XLT optics
Starbright XLT multicoated optics: This advanced optical coatings package includes a high reflectivity mirror with multilayer coatings of vacuum-deposited aluminum. The aluminum mirror coatings are enhanced with titanium dioxide for maximum reflectivity and then overcoated with a protective layer of silicon monoxide (quartz) for long life.

A unique combination of magnesium fluoride and hafnium dioxide antireflection coating materials are used to increase the light transmission through the thick Maksutov meniscus corrector lens. These coatings are vacuum-deposited on both sides of the corrector lens for maximum light throughput and contrast.

The Starbright XLT multicoatings give you higher light transmission for brighter deep space images, which is particularly important with the limited light-gathering ability of a small aperture scope. Across the total visual/photographic spectrum from 400nm to 750nm, independent laboratory tests show the new Starbright XLT coatings are 16% brighter overall than even the original industry-standard Starbright multicoatings. They also visibly increase the contrast on subtle lunar, planetary, and nebula details when compared with a scope with standard coatings or multicoatings.

NexStar 4/5 computer with SkyAlign
    The NexStar computer hand control has a built-in database of nearly 40,000 stars, deep space objects, and solar system objects it can locate for you. The computer’s memory contains the following objects:

  • the entire RNGC (Revised New General Catalog) of 7840 nebulas, galaxies, and star clusters

  • the Messier Catalog of the 110 best known deep sky objects

  • the Caldwell Catalog of 109 fascinating objects that Messier missed

  • 29,500 selected SAO stars, including variable stars and multiple star systems.

    Also included are the eight major planets out to Pluto, as well as the Moon, for a total database of nearly 40,000 stars and objects. It’s enough fascinating objects to keep you busy observing for the rest of your life.

    You can also store and edit the right ascension and declination of up to 200 objects of your own choosing, such as the comet and asteroid coordinates published monthly in Astronomy and Sky & Telescope magazines. The computer control can quickly find any of those objects at your command, and track them with high accuracy for visual observing or casual astrophotography.

    A review in Sky & Telescope magazine commented, “To quantify the Go To pointing accuracy, I spent several nights slewing to 50 objects selected from the NexStar’s database. About one-third of them ended up dead center in the field, another third landed within ½° of the center, and the remaining third were within 1° of the center.”

    All of the database and scope operation information is displayed on a double line, 16-character, red-illuminated liquid crystal display on the hand control. This display leads you through the steps necessary to line up the scope on the sky, locate objects, control scope functions like the brightness of the hand control display, and much more. It shows you basic information about the object being viewed (such as the object’s name, catalog designation, type, magnitude, and so forth). In addition to this basic information, there is enhanced information on over 200 of the most note-worthy objects. When it’s not displaying menus or object information, the display also shows you the constantly updated right ascension and declination coordinates at which the scope is aimed.

    The Sky & Telescope review said, “After using several NexStar-equipped telescopes in recent years, I can attest to the quality of the software and hardware for Celestron’s Go To system. The package is reliable and offers quick access to an excellent array of databases. I especially like Celestron’s Tour mode, which steps a user through an eclectic choice of deep-sky objects, quirky asterisms, and fine double stars, the latter being a class of objects great for urban observing that many Go To systems ignore. Using NexStar scopes, I’ve been introduced to many fine double stars.”

    There are 19 fiber optic backlit LED buttons that glow a soft red in the dark to make it easy for you to control the computer without affecting your dark-adapted vision. An RS-232 communication port on the hand control allows you to operate the telescope remotely via a personal computer, using the supplied RS-232 cable and CD-ROM that contains Celestron’s NexRemote control software program.

    NexRemote provides an on-screen image of the computer hand control with full control of all the hand control functions from your computer keyboard. In addition to emulating the NexStar hand control, NexRemote adds powerful new features that let you keep your eyes on the stars instead of the hand control. It provides talking computer speech support using your computer’s built-in speaker; lets you control the objects you want to see and the order in which you see them; lets you create and save custom sky tours; lets you take wireless control of the telescope with optional gamepad support; lets you connect your personal GPS device to the NexRemote; downloads NexRemote updates online to use the latest features; lets you download software upgrades to your NexStar computer at no charge from Celestron’s website via the Internet; lets you use third-party planetarium programs to control the scope; and more.

    The Sky & Telescope review said, “The author tried Windows and Mac programs, including Desktop Universe, ECU, MegaStar, SkyMap Pro, Starry Night, and TheSky, and all controlled the mount without any problems.” The telescope comes with a CD-ROM of TheSky Level 1 planetarium and star charting software. This Windows-based program will let explore the Universe on your PC and print out custom star charts of the sky to help you find faint objects that are not in the scope computer’s database.

    A high precision pointing subroutine (“precise go-to”) in the computer lets you point accurately at objects that you want to photograph that are too dim to be seen though the scope. Built-in programmable permanent periodic error correction allows sharper astrophotographic images, with fewer guiding corrections needed during long exposure photos through scopes with enough aperture to make such imaging practicable. Built-in adjustable backlash compensation permits precise corrections during astrophotography and when observing visually at high powers.

    The operation of the NexStar with SkyAlign is simplicity itself. You don’t have to level the scope or point it north with SkyAlign, or even know Polaris from the Pleiades. After turning on the scope, enter the date and time and your location. The scope’s computer will remember up to ten different observing sites for you to choose from, and will automatically default to your last observing site (very helpful if you invariably observe from one location, such as your back yard). Then, simply point the scope at any three bright stars, or at two bright stars and a planet or the Moon (you don’t even have to know which stars and planet you’re looking at, and you don’t have to know and locate specific stars as you do with other alignment programs). Using the scope’s hand control, center the stars in the finderscope crosshairs.

    The NexStar SkyAlign computer system automatically determines which objects were chosen and generates an internal map of the sky that it uses to guide its automatic moves to any star or object you select for the rest of the night. It does it by calculating the angles and distances between the objects you’ve chosen and compares them to the known separations between objects. Using this method, the telescope determines what objects were chosen. The display tells you which three objects you aligned to for confirmation.

    Only two of the alignment objects will actually be used for calculating the model of the sky that the computer uses for locating objects. The third object simply provides a positive identification of the other two. Therefore, at least two of the three alignment objects should be spaced at least 60 degrees apart in the sky if possible, and the third object should not fall in a straight line between the first two alignment stars.

    Since the brightest stars appear first as the sky darkens at dusk, the SkyAlign system is exceptionally easy to set up and use as night comes on. You don’t have to guess which stars are brightest, as only the brightest will be visible in the early evening. The same holds true for observers from a light-polluted suburban site, where only the brightest stars are visible to the unaided eye.

    Several additional alignment methods are built into the NexStar computer – auto two-star alignment, manual two-star alignment, solar system alignment for daytime observing, and a one-star manual alignment – allowing you to choose a level of computer accuracy in automatically finding objects with which you are comfortable. If you’re more familiar with the sky, you can use the new Auto Two-Star Align method. Enter the date, time, and the latitude and longitude of your observing location into the hand control. If you don’t know your latitude and longitude or can’t determine them from the grid lines on your state’s road map, you can use the coordinates of the nearest city from the list of hundreds in the instruction manual. The scope will keep up to ten observing locations stored in its memory (backyard, vacation home, favorite dark sky site, etc.), so you only have to enter the latitude and longitude once.

    Next, align the scope manually on a single bright star from a list of 40 in its memory. The NexStar will then automatically choose and slew to a second alignment star. Check to be sure the second star is centered in the telescope eyepiece and that’s it. You’ve aligned the scope on the sky, ready for a night’s go-to observing.

    In addition to moving the scope to any of the 40,000 objects in its memory and tracking the object while you observe, the computer is loaded with useful features. It has user-defined slew limits, which prevent the scope from moving to objects below any horizon that you define. That makes it ideal for observing locations that have the normal horizon view blocked by houses or trees. The computer has a hibernate mode that lets you power down the scope without losing your astronomical alignment. This feature allows you to find planets in the daytime after aligning the scope the night before. The computer has a wedge align program that helps aligns the scope on the celestial pole when you’re using a tripod and wedge for long exposure astrophotography.

    Once the scope has aligned itself with the sky, it takes only a few keystrokes on the computer hand control to have the scope move automatically to your night’s first observing target and start tracking it so you can observe at your leisure. You can find hundreds of fascinating deep space objects your first night out, even if you have never used a telescope before. No matter what level of experience you start from, your NexStar SkyAlign scope will unfold all the wonders of the Universe for you, your family, and your friends.

    If you’re using an optional equatorial wedge to polar align the scope for long exposure astrophotography, two polar alignment programs in the scope’s computer (one for the Northern hemisphere and one for the Southern hemisphere) make quick work of accurate alignment on the appropriate celestial pole. SkyAlign does not work in the equatorial mode.

    You can click on the link below to download a brief RealPlayer movie showing how quick and easy it is to line up your scope on the sky with SkyAlign. There is also a link to download RealPlayer for free if your PC does not already have the program.

This 4” Celestron NexStar 4 SE is a great alternative to competitive 3.5” Maksutovs. It has 30% more light gathering and 14% higher resolution than another manufacturer’s more expensive 3.5” Mak. Even better than its lower price, the NexStar 4 SE has the clear optical advantage of Celestron’s state-of-the-art XLT multicoatings. Across the full photo/visual spectrum from 400nm to 750nm, independent laboratory tests show the new Starbright XLT coatings are 16% brighter than even Celestron’s legendary original Starbright multicoatings – long the industry standard.

The Celestron NexStar 4 SE comes with a red dot finder, tripod, 25mm E-Lux Plössl eyepiece, and flashlight battery-operated dual-axis motor drives. Its go-to computerized hand control will find nearly 40,000 stars and deep space objects for you automatically, nearly 10,000 more than the competitive 3.5” Mak.

New SkyAlign technology makes it easy to line up this Celestron telescope on the sky so it can find celestial objects for you. You don’t have to level the scope or point it north, or know which stars are which. Simply point the scope at any three bright stars, or at two bright stars and a planet or the Moon (you don’t even have to know which stars and planet you’re looking at). The telescope will then know how the sky is laid out that night and will be ready to find and track those nearly 40,000 objects for you at your command.

The Celestron NexStar 4 SE has all the features and optical performance you need to keep you happily observing for years to come – and a classic color scheme that will draw admiring glances wherever you take your scope. It may well be all the telescope you’ll ever need!

This Telescope’s Optical System . . .

  • Maksutov-Cassegrain optical tube: 4” aperture (1325mm focal length f/13) aluminum tube, 13.5” long, weighing less than 2 lbs. One-knob quick-release attachment to fork arm for fast assembly in the field. Guaranteed diffraction-limited optical performance. Celestron orange finish.

  • Starbright XLT fully-multicoated: This state-of-the-art coatings package includes a high reflectivity multilayer aluminum mirror enhanced with titanium dioxide for high reflectivity, plus a unique combination of magnesium fluoride and hafnium dioxide antireflection coatings on both sides of the Maksutov corrector lens. Starbright XLT multicoatings give you higher light transmission for brighter deep space images. They also increase the contrast of subtle lunar and planetary details when compared with a scope with standard coatings or multicoatings. For more information on the XLT multicoatings, click on the “optics” icon above.

  • Finder: Star Pointer non-magnifying variable brightness red dot-type. The Star Pointer is the quickest and easiest way to point your telescope exactly to the desired object in the sky. It’s like having a laser pointer that appears to shine directly onto the night sky. No need to worry about the inverted images that you see through traditional finders. Just align the red dot seen through the Star Pointer with the desired star in the sky. It’s that easy.

  • Internal focuser: Focuses by moving the primary mirror fore and aft in the optical tube by means of a large focusing knob on the rear cell.

  • Internal flip mirror system: An internal first surface flip mirror, operated by a knob on the rear cell, directs the incoming light either to a 90° viewing angle 1.25” eyepiece holder at the top of the rear cell for astronomical observing (or mirror-image terrestrial observing), or to the Cassegrain focus at the center of the rear cell. The Cassegrain focus is threaded to accept either an optional NexStar 4SE-specific 45° viewing angle erect image 1.25” diagonal for right-reading (correctly oriented) terrestrial observing or an optional NexStar 4SE-specific camera adapter for terrestrial and astronomical photography. Standard SCT rear cell 5”/8”/9¼”/11”/14” photographic and visual accessories will not work with this scope.

  • Eyepiece: 1.25” 25mm E-Lux Plössl (53x). The eyepiece field of view is 1° across, twice the diameter of the full Moon.

This Telescope’s Mount . . .

  • Fork mount/drive system: The heavy-duty single fork arm is made of die-cast aluminum, so it is rigid and damps vibrations quickly. The optical tube is offset slightly so that its center of mass is over the axis of rotation of the mount, keeping the optical tube properly balanced in all planes. Built-in friction clutches in altitude and azimuth keep the optical tube fixed in place when eyepieces or accessory loads are changed. No mechanical locking levers or knobs are required.
    The 11 lb. mount includes slewing/tracking motors in both altitude and azimuth. There are nine user-selectable slewing/centering/guiding speeds – 6°/second; 3°/second; 1.5°/second; and 128, 64, 16, 8, 2, and 1x sidereal. There are also three selectable drive rates – sidereal, solar, and lunar. The drives normally operate in the altazimuth mode (right/left up/down) to locate and track objects for visual use and casual solar system photography. If long exposure deep space photography is planned, the scope can be converted to equatorial operation by adding an optional wedge. A compartment in the drive base accepts eight user-supplied AA batteries for powering the scope in the field. The Celestron Power Tank (#4512V) is a highly recommended optional 7 amp-hour capacity multi-purpose rechargeable 12V DC battery that can provide several nights worth of observing from a single charge. To conserve battery life, an optional AC adapter (#2338) is available to operate the scope from household current during backyard use.

  • Computer control: The supplied NexStar computer hand control has a nearly 40,000 object database of stars and objects that it can locate and track for you. The database includes the complete RNGC, Messier, and Caldwell catalogs; selected SAO stars (including the best variable stars and multiple star systems); the planets; the Moon; and more. You can also store and edit the right ascension and declination coordinates of 200 objects of your own choosing, such as favorite deep space objects or the comet and asteroid coordinates published monthly in Astronomy and Sky & Telescope magazines.
    You have several ways to have the NexStar computer find celestial objects for you. The most popular and easiest to use is Celestron’s exclusive SkyAlign no-guesswork technology. After turning on the scope, simply enter the date and time and your location, then point the scope at any three bright stars, or at two bright stars and a planet or the Moon (you don’t even have to know which stars and planet you’re looking at, and you don’t have to know and locate specific stars as you do with other alignment programs). The NexStar computer will use the stars you’ve pointed at to model the sky overhead. Once it knows what the sky looks like, it’s ready to find and track nearly 40,000 objects for you at your command. Not all of the objects may be easily visible, however, due to the scope’s limited aperture.
    The computer hand control includes a built-in RS-232 communication port allowing you to use a CCD autoguider for deep space photography. It also lets you use popular astronomy software to control the NexStar from a lap top or personal computer for remote control point-and-click slewing. The hand control software can now be flash-upgraded from the Celestron website. You can always have the most up-to-date control program, database, and software features simply by downloading the new programs as they are posted. The scope can be operated with its ergonomically designed hand control conveniently docked in its fork arm storage compartment. You can also remove the control and its coiled connecting cord from the fork arm for hand-held use. There’s no need to worry about wrapping the cord around the mount as you walk around the scope to observe different parts of the sky. The hand control plugs into the fork arm rather than the base, so it always moves with the scope.
    The computer includes a camera control software program and a camera shutter cable. These let you remotely take a series of timed exposures using your digital SLR camera (connected to the scope by an appropriate camera adapter). This can be very useful during lunar or solar eclipses and during occultation events, since you won’t have to miss any of the sights while worrying about the operation of your camera.
    All of the database and scope operation information is displayed on a double line, 16-character, liquid crystal display on the hand control. There are 19 fiber optic backlit LED buttons to make it easy for you to control the computer without affecting your dark-adapted vision. If you are new to astronomy, you may wish to start by using the computer’s built-in Sky Tour feature. This program commands the NexStar 4 SE to find the most interesting objects in the sky and automatically slews to them one at a time for you to observe at your leisure. No matter what level of experience you start from, however, the NexStar 4 SE will unfold many of the wonders of the Universe for you, your family, and your friends. For much more information on the NexStar computer and the unique SkyAlign software, click on the “NexStar computer” icon above.

  • Adjustable height altazimuth tripod: The 10 lb. adjustable height tripod has tubular chromed steel legs for stability, and a combined die-cast spreader bar/accessory tray that is cut out to hold two 2” eyepieces and four 1.25” eyepieces. The spreader bar is spring loaded, so that it can't accidentally detach from the tripod. Spring loaded attachment bolts, that also can't be lost in the dark, hold the telescope to the no-tool adjustable wedge tilt plate that allows equatorial tracking for astrophotography. The tilt plate has a built-in latitude scale and can be operated from 0° to 90°, allowing both polar and altazimuth operation without having to buy a separate wedge.

  • Two-year warranty: All Celestron go-to telescopes have a two-year warranty, double that of competitive go-to scopes.
Highest Useful Magnification:
This is the highest visual power a telescope can achieve before the image becomes too dim for useful observing (generally at about 50x to 60x per inch of telescope aperture). However, this power is very often unreachable due to turbulence in our atmosphere that makes the image too blurry and unstable to see any detail.

On nights of less-than-perfect seeing, medium to low power planetary, binary star, and globular cluster observing (at 25x to 30x per inch of aperture or less) is usually more enjoyable than fruitlessly attempting to push a telescope's magnification to its theoretical limits. Very high powers are generally best reserved for planetary observations and binary star splitting.

Small aperture telescopes can usually use more power per inch of aperture on any given night than larger telescopes, as they look through a smaller column of air and see less of the turbulence in our atmosphere. While some observers use up to 100x per inch of refractor aperture on Mars and Jupiter, the actual number of minutes they spend observing at such powers is small in relation to the number of hours they spend waiting for the atmosphere to stabilize enough for them to use such very high powers.
189x
Visual Limiting Magnitude:
This is the magnitude (or brightness) of the faintest star that can be seen with a telescope. The larger the number, the fainter the star that can be seen. An approximate formula for determining the visual limiting magnitude of a telescope is 7.5 + 5 log aperture (in cm).

This is the formula that we use with all of the telescopes we carry, so that our published specs will be consistent from aperture to aperture, from manufacturer to manufacturer. Some telescope makers may use other unspecified methods to determine the limiting magnitude, so their published figures may differ from ours.

Keep in mind that this formula does not take into account light loss within the scope, seeing conditions, the observer’s age (visual performance decreases as we get older), the telescope’s age (the reflectivity of telescope mirrors decreases as they get older), etc. The limiting magnitudes specified by manufacturers for their telescopes assume very dark skies, trained observers, and excellent atmospheric transparency – and are therefore rarely obtainable under average observing conditions. The photographic limiting magnitude is always greater than the visual (typically by two magnitudes).

12.5
Focal Length:
This is the length of the effective optical path of a telescopeor eyepiece (the distance from the main mirror or lens where the lightis gathered to the point where the prime focus image is formed). Focallength is typically expressed in millimeters.

The longer the focallength, the higher the magnification and the narrower the field of viewwith any given eyepiece. The shorter the focal length, the lower themagnification and the wider the field of view with the same eyepiece.

1325mm
Focal Ratio:
This is the ‘speed’ of a telescope’s optics, found by dividing the focal length by the aperture. The smaller the f/number, the lower the magnification, the wider the field, and the brighter the image with any given eyepiece or camera.

Fast f/4 to f/5 focal ratios are generally best for lower power wide field observing and deep space photography. Slow f/11 to f/15 focal ratios are usually better suited to higher power lunar, planetary, and binary star observing and high power photography. Medium f/6 to f/10 focal ratios work well with either.

An f/5 system can photograph a nebula or other faint extended deep space object in one-fourth the time of an f/10 system, but the image will be only one-half as large. Point sources, such as stars, are recorded based on the aperture, however, rather than the focal ratio – so that the larger the aperture, the fainter the star you can see or photograph, no matter what the focal ratio.

f/13
Resolution:
This is the ability of a telescope to separate closely-spaced binary stars into two distinct objects, measured in seconds of arc. One arc second equals 1/3600th of a degree and is about the width of a 25-cent coin at a distance of three miles! In essence, resolution is a measure of how much detail a telescope can reveal. The resolution values on our website are derived using the Dawes’ limit formula.

Dawes’ limit only applies to point sources of light (stars). Smaller separations can be resolved in extended objects, such as the planets. For example, Cassini’s Division in the rings of Saturn (0.5 arc seconds across), was discovered using a 2.5” telescope – which has a Dawes’ limit of 1.8 arc seconds!

The ability of a telescope to resolve to Dawes’ limit is usually much more affected by seeing conditions, by the difference in brightness between the binary star components, and by the observer’s visual acuity, than it is by the optical quality of the telescope.

1.14 arc seconds
Aperture:
This is the diameter of the light-gathering main mirror or objective lens of a telescope. In general, the larger the aperture, the better the resolution and the fainter the objects you can see.
4"
Weight:
The weight of this product.
21 lbs.
Heaviest Single Component:
The weight of the heaviest component in this package.
11 lbs.
Telescope Type:
The optical design of a telescope.  Telescope type is classified by three primary optical designs (refractor, reflector, or catadioptric), by sub-designs of these types, or by the task they perform.
Maksutov-Cassegrain
 
Based on Astronomy magazine’s telescope "report cards", scopes of this size and type generally perform as follows . . .
Terrestrial Observation:
Observing terrestrial objects (nature studies, birding, etc.) is usually possible only with refractor and catadioptric telescopes, and convenient only when the scope is on an altazimuth mount or photo tripod. Most reflectors cannot be used for terrestrial observing. Scopes with apertures under 5" to 6" are generally most useful for terrestrial observing due to atmospheric conditions (heat waves and mirage, dust, haze, etc.) that degrade the image quality in larger scopes. 
Yes
Lunar Observation:
Visual observation of the Moon is possible with any telescope. Larger aperture scopes will provide more detail than smaller scopes, thereby getting a higher score in this category, but may require an eyepiece filter to cut down the greater glare from the Moon's sunlit surface so small details can be seen more easily. Lunar observing is more rewarding when the Moon is waxing or waning as the changing sun angle casts constantly varying shadows to reveal craters and surface features by the hundreds.  
Great
Planetary Observation:
Good
Binary and Star Cluster Observation:
Good
Galaxy and Nebula Observation:
Fair
Photography:
Yes
Terrestrial Photography:
Photographing terrestrial objects (wildlife, scenery, etc.) is usually possible only with refractor and catadioptric telescopes, and convenient only when the scope is on an altazimuth mount or photo tripod. Most reflectors cannot be used for terrestrial photography. Scopes with focal ratios of f/10 and faster and apertures under 5" to 6" are generally the most useful for terrestrial photography due to atmospheric conditions (heat waves and mirage, dust, haze, etc.) that degrade the image quality in larger scopes.
Yes
Lunar Photography:
Photography of the Moon is possible with virtually any telescope, using a 35mm camera, DSLR, or CCD-based webcam (planetary imager). While an equatorial mount with a motor drive is not strictly essential, as the exposure times will be very short, such a mount would be helpful to improve image sharpness, particularly with webcam-type cameras that take a series of exposures over time and stack them together. Reflectors may require a Barlow lens to let the camera reach focus. 
Yes
Planetary Photography:
No
Star Cluster / Nebula / Galaxy Photography:
No
Warranty:
2 years
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General Accessories
Drive Motors and Drive Accessories (2)
Power Tank 7 Amp-hour 12V DC rechargeable battery
by Celestron
Quantity:  
$69.95 
2.5 Amp AC adapter for Celestron telescopes
by Celestron
Quantity:  
$24.95 
Telescope Carrying Cases (1)
Hard case for Celestron NexStar 5 SE and 6 SE
by JMI
Quantity:  
$229.00 
Vibration Dampeners (1)
Vibration Suppression pads, set of 3
by Celestron
Quantity:  
$49.95 
Visual Accessories
Miscellaneous (1)
Kit of 1.25" Plössl eyepieces and visual accessories
by Celestron
Quantity:  
$149.00 
Photographic Accessories
CCD (1)
NexImage Solar System Imager
by Celestron
Quantity:  
$99.95 
  • Starbright XLT multicoated 4” f/13 Maksutov-Cassegrain optics
  • Quick-release tube attachment
  • Single fork arm design
  • Classic orange and black color scheme
  • Multicoated 1.25” 25mm E-Lux Plössl Eyepiece (53x)
  • Star Pointer red dot non-magnifying finder
  • 1.25” star diagonal
  • 1.25” visual back
  • Dual axis DC drive (powered by 8 user-supplied AA Batteries)
  • Heavy duty base with rubber feet for tabletop operation
  • NexStar SkyAlign go-to computer hand control with a nearly 40,000 star and object database
  • Adjustable height tripod with combined accessory tray/spreader bar
  • NexRemote and TheSky Level 1 software on CD-ROM
  • Camera shutter cable and camera control software program
  • Dust covers.
Documents
Celestron - Nexstar 4 SE manual 2886 KB
Videos
NexStar 4SE Computerized Telescope Tour
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Celestron - NexStar 4 SE 4” Go-to Maksutov-Cassegrain

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Celestron - NexStar 4 SE 4” Go-to Maksutov-Cassegrain
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Our Product #: NX4SE
Manufacturer Product #: 11049
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If you want a small scope with big features – and a new lower and not very big price – this 4” Celestron NexStar 4 SE may be what you’re looking for. It has sharp 4” Maksutov-Cassegrain optics, combined with 21st century computerized go-to technology and advanced multicoatings, at a price that’s very affordable . . .





. . . our 34th year