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Celestron 11 User Manual

Celestron 11
16 pages
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Celestron 11 Specifications

General IconGeneral
Focal Ratiof/10
Optical DesignSchmidt-Cassegrain
Highest Useful Magnification660x
Lowest Useful Magnification40x
Limiting Stellar Magnitude14.7
Resolution (Rayleigh)0.5 arc seconds
Optical CoatingsStarBright XLT
Light Gathering Power1600x
Optical Tube Length24 inches (610 mm)
Optical Tube Diameter12.5 inches (318 mm)
Aperture11 in (280 mm)

Summary

Celestron Telescope Assembly and Basic Operation

Optional Special Coatings

Describes special coatings applied to optics for enhanced light transmission and contrast.

Basic Telescope Assembly Steps

Details the step-by-step process for assembling the telescope from its components.

Initial Observation and Magnification

First Observation Guide

Provides initial steps for using the telescope for observation.

Casual Observing Tips

Offers advice for general astronomical observation.

Magnification and Accessory Usage

Explains magnification, multiple ocular holders, and Barlow lenses.

Alignment and Coordinate Systems

Setting Declination Circles

Describes how to align declination setting circles for accurate pointing.

Celestial Coordinate System Explained

Details the celestial coordinate system for navigational purposes.

Polar Alignment Procedures

Covers aligning the telescope's polar axis with the celestial pole.

Filters and Optical Accessories

Eyepiece Filters and Their Use

Explains various eyepiece filters like ND, LPR, and polarizing for image enhancement.

Filter Adapters and Bushings

Describes accessories for using filters with different eyepieces and compatibility.

Celestron Photography Guide

Lunar and Terrestrial Photography

Details capturing images of the moon and terrestrial subjects using the telescope.

Deep Sky Photography Techniques

Guides on photographing celestial objects beyond the solar system.

Advanced Photography and Guiding Systems

Off-Axis Guiding System

Explains how to use the off-axis guiding system for long photographic exposures.

Photographic Guide Scopes

Discusses using a separate guide scope for enhanced photographic guiding.

Drive Systems and Power Options

Electric Clock Drive and Slow-Motion Controls

Covers the basic clock drive and C14 electric slow-motion controls.

Drive Correctors and DC Inverter

Explains drive correctors for astrophotography and DC power options.

Telescope Maintenance and Care

Lens and Mirror Cleaning Procedures

Provides instructions for cleaning optical components safely.

Collimation and Optical Alignment

Details the process of aligning the telescope's optics for optimal performance.

Telescope Adjustments and Servicing

Adjusting Clamp and Gear Mechanisms

Covers adjustments for clamp mechanisms and worm gear drives.

Returning Instrument for Service

Information on contacting factory service for repairs or adjustments.

Celestron Telescope Specifications

C11 Detailed Specifications

Lists the technical specifications for the Celestron C11 model.

C14 Detailed Specifications

Lists the technical specifications for the Celestron C14 model.

Appendices and Additional Resources

Recommended Reading and Suppliers

Lists helpful books, magazines, and suppliers for astronomy enthusiasts.

Permanent Pier Installation Plans

Provides diagrams and guidance for mounting the telescope on a permanent pier.

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