CPC Deluxe 925 HD 9.25" Go-to altazimuth SCT with EdgeHD optics

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Starbright XLT optics
This advanced optical coatings package includes multiple layers of vacuum-deposited high reflectivity aluminum on both primary and secondary mirrors. The coating layers 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 high transmission antireflection coatings is vacuum-deposited on both sides of the Schmidt corrector lens for maximum light throughput and contrast. The corrector lens itself is made of high transmission water white float glass instead of the conventional soda lime glass (which has 3.5% lower transmission than water white glass) that’s used in other telescopes.

Starbright XLT multicoatings give you higher light transmission for brighter deep space images and shorter exposure times during CCD and DSLR photography. 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. The XLT coatings also visibly increase the contrast on subtle lunar, planetary, and nebula details when compared with a scope with standard coatings or ordinary multicoatings.

NexStar computer with SkyAlign and GPS
    The NexStar computer hand control has a built-in database of more than 45,000 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 IC (Index Catalog) of 5386 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

  • 20 famous asterisms

  • the Abell Catalog of 2712 galaxy clusters

  • 25 selected CCD imaging objects

  • 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 more than 45,000 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 400 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. 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.”

    There is also an Autoguider port that can use a CCD autoguider to automatically control the drive motors during long exposure astrophotography. 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. 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. Once you mount the scope on its tripod in the altazimuth mode, turn on the power. The built-in 16-channel GPS (Global Positioning System) receiver uses signals from government satellites to calculate the scope’s location on earth with an accuracy measured in meters. The system also calculates the current day and time based on the split second accuracy of the GPS time signals. After the location and time have been quickly and accurately determined, the scope hand control signals you to point the scope at any three bright stars (you don’t have to point at specific known stars). Using the scope’s hand control, center the stars in the finderscope crosshairs. You can even point at two stars and a planet of the Moon, if you prefer.

    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.

    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.

    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. With GPS and SkyAlign, setting up and using a computerized telescope is faster and easier than ever before.

    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.

Celestron EdgeHD optics
   Celestron EdgeHD high definition optics are aplanatic, or corrected for spherical aberration. They are essentially conventional Schmidt-Cassegrain optics (spherical primary mirror, spherical secondary mirror, and full-aperture Schmidt aspheric corrector lens), but with the addition of a dual-element multicoated field flattener lens installed in their central baffle tube. The field flattener is designed to reduce off-axis coma and produce aberration-free images across a wide visual and photographic field of view.

   In addition to reduced off-axis coma, the EdgeHD optical system delivers an astrograph-quality flat focal plane across the entire field. Many optical designs that advertise themselves as “astrograph” quality actually produce their pinpoint stars across a curved focal plane. While this may be acceptable for visual observing, stars appear out of focus at the edge of the field when used with the flat rectangular imaging sensor of a DSLR digital camera or a large format CCD. The built-in field flattener of the EdgeHD optical system produces a focal plane more than three times flatter than a standard Schmidt-Cassegrain telescope and dramatically flatter than other competing coma-free designs. This guarantees visibly sharp stars across some of the largest CCD and DSLR chips available today.

   The superior edge performance of the EdgeHD optic system not only creates rounder, more point-like, and more pleasing stars at the edge of the field but actually improves the resolution and limiting magnitude when compared to telescopes of equal aperture. Poor edge quality or field curvature in conventional optics can spread out a star’s image at the edge of the field so much so that the brightness of a star appears the same as the sky background, making it undetectable to your eye (or camera). EdgeHD optics give you smaller (more concentrated) stars that create brighter images that pop out of the sky background, allowing you to see down to a fainter magnitude. This lets you capture fainter stars and galaxies out to the corners of your full frame camera chip than is possible with conventional telescope designs of equal aperture.


This Celestron CPC Deluxe 925 HD telescope has:

• 9.25” EdgeHD high definition aplanatic Schmidt-Cassegrain optics
• StarBright XLT optical multicoatings for the highest possible light transmission
• Fastar compatible optical system for optional f/2 imaging
• 2” 23mm 82° field Luminos eyepiece (102x)
• mirror locks to reduce image shift during imaging
• tube vents for faster cooldown and greater temperature stability
• re-engineered drive train and roller bearing design for greater drive accuracy
• NexStar go-to computer hand control with 40,000+ object database
• 2-year warranty
• and much more

   The Celestron CPC Deluxe 925 HD telescope has the most talked-about improvement in optics in years – Celestron’s EdgeHD flat field optical system – a Sky & Telescope Hot Product for 2010.

   With Celestron’s renowned Starbright XLT multicoatings on every optical surface, the EdgeHD optics give you maximum light throughput across the widest possible visual and photographic spectrum. The CPC Deluxe 925 HD’s immense light grasp, over 1100 times that of even the sharpest dark-adapted eye, can reveal to you star clusters, nebulas, planets, and galaxies in amazing visual and photographic detail.

   Those award-winning 9.25” EdgeHD optics are mounted on a newly-upgraded Celestron CPC go-to mount with SkyAlign and GPS that makes finding over 40,000 of those stars and objects easy and automatic. You spend more time looking at celestial objects, rather than looking for them.

   The sensible price of the CPC Deluxe 925 HD with EdgeHD optics and Starbright XLT coatings puts true astrographic-quality imaging and tack-sharp visual astronomy within the grasp of almost everyone. While its two components are not exactly feather light at 85 pounds total, and with a heaviest single component weight of 58 pounds, the CPC Deluxe 925 HD is still a scope that many dedicated individuals can set up on their own – either in their back yard or at a distant dark sky site.

   The design of the 9.25” optical system, subtly different in the focal ratios of the primary and secondary mirrors from other Celestron SCTs, produces high contrast images that many advanced observers feel are the best in the Celestron line-up. The new EdgeHD CPC Deluxe 925 HD is a scope that virtually any beginning or advanced astronomer can enjoy for years and years to come, without ever running out of things to see and photograph through its superb flat field 9.25” EdgeHD optics.


This Telescope’s Optical System . . .

  • EdgeHD Schmidt-Cassegrain optical tube: 9.25” aperture (2350mm focal length f/10). Dual-element Schott glass field flattener lens permanently mounted in the central baffle tube. Guaranteed diffraction-limited optical performance, free from coma and corrected for spherical aberrations (aplanatic design). The optical design is a Sky & Telescope Hot Product for 2010. For more details, click on the “EdgeHD optics” icon above.

  • Starbright XLT fully-multicoated optics: This high transmission/high reflectivity optical multicoatings package is applied to all optical surfaces. Starbright XLT coatings give you visibly higher light transmission for visually brighter deep space images and shorter exposure times during imaging. They also increase the contrast on subtle lunar, planetary, and nebula details when compared with a scope with ordinary coatings or multicoatings. For more details, click on the “Starbright XLT” icon above.

  • Tube vents: Two cooling vents located on the rear cell allow warm air to be released from behind the primary mirror when the scope is taken out for a night’s observing or imaging. This shortens the amount of time needed for the optics to cool down to ambient air temperature for peak optical performance. Each vent has an integrated 60 micron micro-mesh filter guaranteed to let warm air out without letting dust in.

  • Fastar compatible: For the ultimate in wide-field catadioptric imaging, the EdgeHD optical tube is Fastar compatible to allow CCD imaging at a blazingly-fast f/2 focal ratio. An optional Fastar/Hyperstar lens assembly replaces the telescope’s removable secondary mirror (an exchange that takes only a few minutes). Your CCD camera is attached to the Fastar lens. This puts your camera at the f/2 position in the center of the Schmidt corrector lens at the front of the scope, rather than in its normal f/10 position at the Cassegrain focus at the rear of the scope.
    Using a Fastar or Hyperstar system and a sub-$1500 Celestron NightScape 10.7 megapixel single-shot color CCD camera, the 9.25” CPC Deluxe 925 HD will record a wide 127 x 96 arc minute field– a long axis nearly four and a quarter times the diameter of the full Moon, an immense field for a scope of this size. With the Fastar/Hyperstar system, the NightScape produces pixels that cover 2.02 arc seconds of the sky, almost exactly the 2 arc second size recommended to optimal deep space imaging. To assure repeatability when you switch between Fastar and conventional imaging, the scope’s optical tube is opto-mechanically aligned on a laser bench during manufacture so that all components are axially symmetric in any configuration.

  • Focusing: Focusing is accomplished by turning a knob at the rear of the scope body that moves the primary mirror fore and aft along a central baffle tube to adjust the focus. The Celestron focusing mechanism is supported by two pre-loaded ball bearings, minimizing the “mirror flop” typical of bushing focus mechanisms that causes image shift during critical focusing.

  • Mirror support knobs: Mirror support knobs hold the mirror in place after correct focus is achieved for imaging and reduce image shift when rotating the tube around the mount (while moving past the zenith during astrophotography, for example). Unlike other designs that have only one locking knob located off to one side of the mirror, the Celestron system uses three locks equally spaced around the mirror to distribute the mirror locking force symmetrically. The focuser itself acts as one of the locks, while two knobs spaced 120° away in either direction act as the second and third locks to hold the mirror in place without putting any asymmetrical force or pressure on the mirror. This keeps the image centered in the eyepiece (or on the CCD chip) no matter what the orientation of the optical tube.

  • Finderscope: 50mm straight-through achromatic design, mounted in a spring-loaded easy-adjust quick release bracket.

  • Star diagonal: 2” multicoated first-surface mirror type, with 1.25” adapter.

  • Eyepiece: 2” 23mm 82° Luminos (102x). The eyepiece field of view is 0.8° across, over one and a half times wider than the the diameter of the full moon, for bright wide-angle deep space views. The Luminos eyepiece is optimized to deliver pinpoint images when used with a flat field telescope such as this EdgeHD model.

This Telescope’s Mount . . .

  • Fork mount/drive system: The heavy-duty die-cast aluminum dual fork arms are rigid and damp vibrations quickly. Carrying handles are built into the fork arms. There’s a convenient detachable mounting bracket for the NexStar computer hand control that lets you use the hand control and view information on the two-line display hands-free while using the scope.
    The redesigned and re-engineered drive train of the CPC Deluxe mount includes DC slewing/tracking motors with encoders in both altitude and azimuth. Motor resolution is 0.14 arc seconds. The redesigned electronics deliver constant regulated power to the motors, making them capable of driving the telescope smoothly, even when it is not perfectly balanced, and without sacrificing smooth tracking motion and pointing accuracy across the entire sky.
    The new larger 6” diameter 180-tooth brass altitude and azimuth drive gears are driven by new 0.75” stainless steel worms in spring-loaded worm blocks to provide smooth slewing and tracking. There are 9 user-selectable speeds from 3° per second slewing down to a precise 0.5x sidereal rate for photographic drive correction. The drives work 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.
    The fork arms and optical tube are supported by a unique roller bearing system that uses both steel and nylon ball bearings rotating around a large 9.8” azimuth bearing track designed to provide an ultra-stable and smooth polar axis motion and smoother tracking accuracy for long exposure astrophotography.
    The scope includes three preprogrammed drive speeds – sidereal, solar, and lunar. It operates in an altazimuth mode, as well as northern hemisphere equatorial and southern hemisphere equatorial (using an optional equatorial wedge).
    The scope is powered by external 12 Volt 2.5 Amp DC power (a car battery or optional rechargeable 12V battery #4517V). The scope cannot be powered by short-lived flashlight batteries. The standard equipment car battery cord and optional AC adapter plug into the drive base. Power and command signals to the declination motor are routed through cordless internal slip ring signal paths. There’s no separate external declination cable to connect the drive base to the dec motor as with other scopes, so you don’t have to worry about losing a cable or breaking it by tangling the cable around the scope inadvertently while observing.

  • NexStar Computer: The scope’s NexStar computer can show you the planets and thousands of deep space objects at the touch of a button or two the very first night you use your scope – even if you’ve never used a telescope before! The Celestron CPC’s built-in GPS system and easy-to-use SkyAlign software will have you lined up on the sky and observing in minutes. For information on many of the features and capabilities of the NexStar computer and the unique SkyAlign software, click on the “NexStar computer” icon above.

  • NexRemote software: NexRemote telescope control software allows you to control the CPC Deluxe 925 HD from your personal computer or laptop. NexRemote provides full emulation of every aspect of the Celestron computerized hand control. It lets you align in any tracking mode; go to any database object; setup user objects; put the scope in hibernation; connect to popular planetarium programs; etc.
    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 LCD by enabling talking computer speech support using your computer’s built-in speaker. You can control the objects you want to see and the order that you see them; create and save custom tours by launching NexTour; take wireless control of the telescope with optional gamepad support; connect your personal GPS device to NexRemote using NexGPS; download NexRemote updates online to add the latest features; and more. The NexRemote software includes an RS-232 cable to connect the CPC Deluxe 925 HD to a PC.

  • Adjustable height tripod: The new heavy duty tripod has 2” diameter steel legs. It has a metal lower tensioning spider and an upgraded aluminum upper center leg brace for rigidity and rapid vibration dampening. The leg brace also doubles as an accessory tray with holes to safely hold eyepieces up out of the dew-soaked grass and close at hand. A locating pin on the top of the tripod automatically centers the scope on the tripod for easy assembly in the dark. A single hand-tighten lever per leg locks in the tripod height adjustment. The levers are on the insides of the legs, to avoid snagging on clothing in the dark. The tripod adjusts in height over a 30” to 45” range.

  • 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.
470x
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).

14.4
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.

2350mm
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/10
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.

0.49 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.
9.25"
Weight:
The weight of this product.
85 lbs.
Heaviest Single Component:
The weight of the heaviest component in this package.
58 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.
EdgeHD
 
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. 
No
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.  
Very Good
Planetary Observation:
Very Good
Binary and Star Cluster Observation:
Very Good
Galaxy and Nebula Observation:
Very Good
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.
No
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:
Yes
Star Cluster / Nebula / Galaxy Photography:
Yes
Warranty:
2 years
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General Accessories
Drive Motors and Drive Accessories (2)
Power Tank 17 Amp-hour 12V DC rechargeable battery
by Celestron
Quantity:  
$129.95 
5 Amp AC adapter for Celestron VX, CGEM, and CGE Pro mounts
by Celestron
Quantity:  
$69.95 
Visual Accessories
Eyepieces (5)
32mm 2" Ultima LX
by Celestron
Quantity:  
$119.95 
7mm 1.25" 82º Luminos
by Celestron
Quantity:  
$134.95 
10mm 1.25" 82° Luminos
by Celestron
Quantity:  
$134.95 
15mm 1.25" 82° Luminos
by Celestron
Quantity:  
$134.95 
19mm 2" 82° Luminos
by Celestron
Quantity:  
$207.95 
Star Diagonals (2)
2" 99% Reflectivity dielectric mirror diagonal for SCTs
by Astro-Tech
Quantity:  
$149.95 
2" 99% Reflectivity guaranteed 1/10th wave dielectric quartz mirror diagonal for SCTs
by Astro-Tech
Quantity:  
$199.95 
  • 9.25” f/10 Starbright XLT multicoated EdgeHD flat field optics in aluminum tube
  • Mirror locks
  • Tube vents
  • Go-to fully computerized go-to dual fork arm mount with carrying handles, supported by a steel and nylon roller bearing on a 9.8” diameter track, dual axis worm gear DC motor drive with spring-loaded worm blocks and a 6” brass gear and 0.75” stainless steel worm gear in each axis
  • Heavy duty adjustable height metal tripod
  • NexStar 40,000+ object computer hand control with SkyAlign three-star alignment, plus auto two-star align, one-star align, EQ align, and solar system align
  • One star polar alignment using unique built-in All-Star software
  • PPEC (Permanent Periodic Error Compensation)
  • RS-232 port for connection to a PC
  • Separate CCD autoguider and auxiliary ports
  • 50mm finderscope in spring-loaded quick release bracket
  • 2" star diagonal
  • 2" 23mm Luminos 82° eyepiece (102x)
  • 12V DC power cord
  • Dust covers.
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Celestron - CPC Deluxe 925 HD 9.25" Go-to altazimuth SCT with EdgeHD optics

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Celestron - CPC Deluxe 925 HD 9.25" Go-to altazimuth SCT with EdgeHD optics
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Our Product #: CPC9HD
Manufacturer Product #: 11008
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Clear skies,
Astronomics


For the many observers who feel 9.25” is the sweet spot in Celestron’s optical lineup, we have a treat – award-winning 9.25” Celestron EdgeHD optics, mounted on a newly re-engineered and upgraded Celestron CPC fork mount, for a brilliant blend of high performance optics and mechanics that many people will find irresistible . . .





. . . our 34th year