Celestron C10-N, C8-NGT manual Attaching the Center Leg Brace, Installing the Counterweight Bar

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1.Locate the azimuth adjustment screws on the equatorial mount.

2.Retract the screws so they no longer extend into the azimuth housing on the mount. Do NOT remove the screws since they are needed later for polar alignment.

3.Hold the equatorial mount over the tripod head so that the azimuth housing is above the metal peg.

4.Place the equatorial mount on the tripod head so that the two are flush.

5.Tighten the knob (attached to the central rod) on the underside of the tripod head to hold the equatorial mount firmly in place.

Attaching the Center Leg Brace

1.Slide the accessory tray over the central rod so that each arm of the tray is pushing against the inside of the tripod legs.

2.Thread the accessory tray knob on to the central rod and tighten.

Installing the Counterweight Bar

 

 

 

 

 

 

 

 

To properly balance the telescope, the mount comes with a counterweight bar and at least one counterweight

 

(depending on model). To install the counterweight

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bar:

 

 

 

 

 

 

 

 

1. Locate the opening in the equatorial mount on the

 

 

 

 

 

 

 

 

DEC axis

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Thread the counterweight bar into the opening until

 

Mounting Knob

 

 

 

tight.

 

Figure 2-3

 

 

 

3. Tighten the counterweight bar lock nut fully for added

 

 

Central Rod

 

 

 

 

 

 

 

 

 

Accessory Tray

 

 

 

 

 

 

 

support (see fig 2-5).

 

 

 

 

 

 

 

 

 

 

 

Once the bar is securely in place you are ready to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

attach the counterweight.

 

 

 

 

 

 

 

 

 

 

 

 

Accessory

 

 

 

 

 

 

 

 

 

 

 

 

Tray Knob

 

 

 

 

 

 

 

 

 

Figure 2-4

 

Since the fully assembled telescope can be quite heavy, position the mount so that the polar axis is pointing towards north before the tube assembly and counterweights are attached. This will make the polar alignment procedure much easier.

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Contents Advanced Series Advanced Series GT Precise GoTo Scope Setup Features Telescope Maintenance Page Advanced Series Newtonian Advanced Series GT Newtonian Setting up the Tripod Attaching the Equatorial MountInstalling the Counterweight Bar Attaching the Center Leg BraceInstalling the Counterweight Attaching the Hand Control Holder Advanced GT Models OnlyAttaching the Telescope Tube to the Mount Telescope Installing the FinderscopeInstalling the Eyepieces Balancing the Tube in R.A Telescope Tube CompletelyAdjusting the Mount Adjusting the Mount in AltitudePowering the Telescope Attaching the Declination Cable For GT Models OnlyAdvanced GT Hand Control Hand Control Operation Alignment Procedures Startup ProcedureAuto Align Auto Three-Star AlignRe-Alignment Quick-AlignLast Alignment Object Catalog Selecting an ObjectTour Mode Setup Procedures Nine available slew speedsIdentify Scope Setup Features Observing Tip Helpful Hint Utility Features Helpful Hint Advanced GT Image Orientation Calculating Magnification FocusingAligning the Finderscope Determining Field of View General Observing HintsCelestial Coordinate System Motion of the Stars Latitude Scales Pointing at PolarisFinding the North Celestial Pole Declination Drift Method of Polar Alignment Observing the Moon Lunar Observing HintsObserving the Planets Observing the SunSolar Observing Hints Observing Deep Sky ObjectsSeeing Conditions TransparencyPage Piggyback Short Exposure Prime Focus Photography Reducing Vibration Terrestrial PhotographyMetering Auto Guiding Aligning the Secondary Mirror Care and Cleaning of the OpticsCollimation Aligning the Primary Mirror Night Time Star Collimating Page Page Page Page Appendix a Technical Specifications Appendix B Glossary of Terms Page Eclipsing or obscuring the brightness of the star Appendix C Longitudes Latitudes Georgia Minnesota Rhode Island Canada Appendix D RS-232 Connection Additional RS232 Commands Reset The Position Of Azm Or AltAppendix E Maps of Time Zones Page Page Page Page Page Page Page Celestron TWO Year Warranty
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C10-N, C8-NGT, C8-N specifications

The Celestron C8-NGT, C8-N, and C10-N telescopes represent a range of superior astronomical instruments that cater to both novice and experienced astronomers alike. Among these, the C8-NGT combines the advanced features of a computerized telescope with the simplicity of a Newtonian design. Its 8-inch aperture allows for impressive light-gathering capability, making it ideal for observing distant galaxies, star clusters, and nebulae. The GoTo mount enhances usability, enabling users to locate celestial objects effortlessly with the push of a button.

The C8-N, also featuring an 8-inch aperture, stands out with its open tube design that provides maximum airflow and minimizes thermal issues, ensuring optimal performance. The scope is designed with user-friendly adjustments and a sturdy equatorial mount, allowing for smooth tracking of celestial objects. Its high-quality optics provide sharp images and incredible clarity, making it suitable for both planetary and deep-sky observations.

On the other hand, the C10-N is the largest in this lineup, boasting a 10-inch aperture that dramatically enhances its light-gathering ability. This larger size makes the C10-N a powerhouse for serious astronomers looking to explore fainter objects and intricate details within astronomical features. Like the C8-N, it employs a Newtonian reflector design, allowing for a compact and manageable profile, while still providing stunning visuals across a range of celestial bodies.

All three telescopes incorporate Celestron's commitment to creating durable, robust, and user-friendly systems. They utilize premium quality glass and optics, which are coated to improve light transmission and provide high-contrast images. Additionally, they are designed with ease of assembly and portability in mind, catering to astronomers who enjoy observing in various locations.

The Celestron C8-NGT, C8-N, and C10-N serve as excellent options for anyone looking to deepen their astronomical pursuits, offering a blend of advanced technology, high-quality optical performance, and user-friendly features. Whether you're a beginner eager to peer into the wonders of the universe or an experienced observer at the peak of your skills, these telescopes offer a remarkable means to expand your cosmic horizons. With precision engineering and thoughtful design, Celestron continues to be a trusted name in the world of astronomy.
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