Celestron Nexstar 8i Computerized Go-To Telescope Kit w Hand Control and Tripod

• 203mm (8") Diameter Schmidt-Cassegrain
• Focal Length of 2032mm
• Focal Ratio of f/10
• 6-degree per second slew speed
• Fully enclosed high speed motors on both axes
• Integrated hand controller built into the side of the fork arm
• Schmidt-Cassegrain optics with Starbright coating
• Designated AutoGuider port
• Auxiliary Port for optional Accessories, including CN-16 GPS module
• Battery Compartment for 8 (user supplied) AA batteries
• Weight: 34.5 lbs.
• Made in the U.S.A.

• Multicoated 25mm Plossl Eyepiece (50x)
• Star Pointer Finderscope
• Star Diagonal - 1.25"
• Visual Back - 1.25"
• Heavy Duty Base with Rubber Feet
• Electronic Hand Control

• Excellent optical systems delivering razor sharp images over a wide field.
• High performance in almost all situations; terrestrial viewing and photography; lunar, planetary and deep-sky observing; astrophotography with fast film; CCD imaging.
• Best all-around, multifunction telescope design; it combines all the optical advantages of both mirrors and lenses, while canceling their disadvantages.
• Focal ratios generally in the range of f/10, which is useful for all types of photography.
• A telescope that's compact, portable, easy to use, durable, virtually maintenance free and has a closed tube.
• The best near focus capability of any type of telescope design.
• Large apertures at quite reasonable prices.

Moon viewing 101
The moon is often one of the first celestial objects a beginner will look at through his or her telescope. Here are a couple hints for you once you get your hands on your new NexStar 8i.

Often, it is tempting to look at the Moon when it is full. At this time, the face we see is fully illuminated and its light can be overpowering. In addition, little or no contrast can be seen during this phase. One of the best times to observe the Moon is during its partial phases (around the time of first or third quarter). Long shadows reveal a great amount of detail on the lunar surface. At low power you will be able to see most of the lunar disk at one time. The optional Reducer/Corrector lens allows for breath-taking views of the entire lunar disk when used with a low power eyepiece. Change to higher power (magnification) to focus in on a smaller area. Choose the lunar tracking rate from the NexStar's MENU tracking rate options to keep the moon centered in the eyepiece even at high magnifications.

Observing the Planets
Other fascinating targets include the five naked-eye planets. You can see Venus go through its lunar-like phases. Mars can reveal a host of surface detail and one, if not both, of its polar caps. You will be able to see the cloud belts of Jupiter and the great Red Spot (if it is visible at the time you are observing). In addition, you will also be able to see the moons of Jupiter as they orbit the giant planet. Saturn, with its beautiful rings, is easily visible at moderate power. Remember that atmospheric conditions are usually the limiting factor on how much planetary detail will be visible. So avoid observing the planets when they are low on the horizon or when they are directly over a source of radiating heat, such as a rooftop or chimney.

The Nuts and Bolts

Optical Tube Star Pointer Finderscope Eyepiece Star Diagonal Focuser Knob Battery Compartment ON/OFF Switch / 12v power Fork Arm Hand Control Schmidt Corrector Plate (not shown)

Product Description
Nexstar 8i Schmidt-Cassegrain Modular Telescope
The distinctive patented fork arm with ergonomically designed integrated hand control cradle gives solid support to Celestronās classic 8" optics. The NexStar 8i features SCT 8" aperture optics with StarBright multi-coating, powerful 2,032mm focal length and f/10 focal ratio.

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