Description
9 x 50mm straight-through achromatic design, with a substantial 5.8 field of view, in a quick-release bracket.
This Telescope’s Mount . . .
- Newly upgraded 50 lb. payload capacity heavy duty CGEM DX computerized German equatorial mount: The CGEM DX mount includes dual-axis slewing/tracking motors on each axis, with new drive electronics for go-to computer control. There are nine motor drive speeds: 0.5x and 1x sidereal for guiding; 4x, 8x, 16x, and 64x for centering; and 0.5, 2, and a fast 5 per second for slewing. Preset tracking rates include sidereal, solar, and lunar for precise tracking of celestial objects inside the solar system as well as out in deep space.
- Powering the CGEM DX 1400HD : The CGEM DX mount comes with a car battery cord to operate from the cigarette lighter plug of your car or from a rechargeable 12VDC battery pack. The 17 amp hour capacity Celestron Power Tank #4517V is recommended and will operate the scope all night long without danger of running out of power. A 5 amp capacity AC adapter (#2338PRO) is also available for continuous operation from a household AC outlet, in an observatory dome, for example.
- Polar alignment: To make a casual polar alignment for visual use quick and easy, there’s a latitude scale with large ergonomically-friendly altitude and azimuth adjustment knobs. No polar alignment finderscope is available to aid in the precise polar alignment required for long exposure astrophotography, nor is any needed. A unique Celestron All-Star Polar Alignment program built into the NexStar hand control helps you do a very precise computerized polar alignment in mere minutes, using any bright star, even when Polaris is hidden by trees or buildings. The program works in both northern and southern hemispheres.
- Adjustable height tripod: The heavy and stable 45 pound tripod (the same one used on Celestron’s top-of-the-line CGE PRO mount) has 2.75″ diameter stainless steel legs with a metal center leg brace for rigidity, for excellent vibration damping characteristics. The center leg brace is drilled to form a convenient accessory tray that holds 1.25″ and 2″ eyepiece to keep them up out of the dew-soaked grass.
- Mounting the scope: A Losmandy-style “D-plate” dovetail slot on the top of the mount holds the long dovetail slide bar mounted under the optical tube. This allows you to slide the optical tube fore and aft in the dovetail slot to quickly and precisely balance the optical tube in declination when you add or subtract accessories, eliminating the need for an extra counterweight to balance a camera or other accessories. Setup and takedown times are exceptionally fast, as a single large hand-tighten knob holds the optical tube in place. A second lock knob prevents the tube from sliding off the mount should the hand-tighten knob loosen. The oversized dovetail mounting platform assures secure vibration-free tube attachment.
- Balancing the scope: Two sliding 22 pound counterweights are locked in place on the new larger diameter counterweight shaft with a single large hand-tighten knob each. This makes it easy to rebalance the scope in right ascension as you add and remove major accessories. A very heavy accessory load added to the 45 pound optical tube might push the scope’s 50 pound payload capacity, however. If considerable imaging with a consistently very heavy accessory load is planned (photoguide rings, guidescope, heavy CCD camera, filter wheel, etc.), it might be more prudent to move up to the CGE Pro mount version of this scope. While considerably more expensive than the CGEM DX version, the added stability of the CGE Pro’s 90 pound payload capacity would be welcome with a very heavy accessory load.
More details for the CGEM DX mount.
- NexStar computer hand control: The supplied NexStar computer hand control has a built-in database of more than 40,000 stars and objects that it can find and track for you. These include the complete RNGC, Messier, Caldwell, IC, and Abell catalogs; selected SAO stars; the planets, the Moon, and others. The 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 stars; non-planetary solar systems objects; and asterisms.
- The NexStar display: 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. The NexStar hand control provides a constant and easily-visible illuminated right ascension and declination readout of the scopes position on the sky. This provides much greater accuracy than conventional (and hard to see at night) manual setting circles for star-hopping or locating objects by their celestial coordinates alone, should you want to observe the old-fashioned way without using the computer to find objects for you.
- Some NexStar features: The software built into the NexStar hand control includes many, many features and programs discussed at greater length by clicking on the “NexStar CGEM” icon above. An RS-232 communication port on the hand control allows you to operate the telescope via a personal computer using the supplied RS-232 cable and NexRemote software CD-ROM. The hand control and motor control software is flash-upgradeable to allow you to download the latest product updates over the Internet to keep your CGEM mount always at the cutting edge of technology. An autoguider port is located on the electronic pier for guided, but unattended, long exposure astrophotography.
- Aligning on the sky: Five different alignment methods are built into the NexStar computer – 2-star align, quick align, 1-star align, last alignment, and solar align – allowing you to choose a level of computer accuracy in automatically finding objects with which you are comfortable. Alignment is easily accomplished in only a few short minutes. You can be observing in less than 15 minutes after you first take the scope outdoors. There’s even a new and unique “All-Star” software-assisted alignment of the mount’s polar axis using a single bright star that will have you ready for imaging before it’s even dark enough to see the North Star. For more details, click on the “NexStar CGEM computer” icon above.
- Two-year warranty: All Celestron go-to telescopes have a two-year warranty, double that of competitive go-to scopes.






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