EasyManua.ls Logo

Celestron Ultima 11 User Manual

Celestron Ultima 11
70 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
THE CELESTRON ULTIMA 9
1
/
4
AND ULTIMA 11
INSTRUCTION MANUAL

Table of Contents

Other manuals for Celestron Ultima 11

Question and Answer IconNeed help?

Do you have a question about the Celestron Ultima 11 and is the answer not in the manual?

Celestron Ultima 11 Specifications

General IconGeneral
Focal Length2800 mm
Focal Ratiof/10
Optical DesignSchmidt-Cassegrain
Highest Useful Magnification660x
Lowest Useful Magnification40x
Limiting Stellar Magnitude14.7
Resolution (Rayleigh)0.5 arc seconds
Aperture279 mm (11 inches)
Optical Tube Length24 in (610 mm)

Summary

Introduction and Setup

How to Use This Manual

Explains the manual's structure, purpose, and how to navigate its sections.

Safety Precautions

Crucial safety warnings regarding sun observation, eye protection, and telescope handling.

The Schmidt-Cassegrain Optical System

Explains the telescope's optical design, components, and light path.

Assembly and Initial Setup

Guides on assembling the telescope, tripod, wedge, and accessories.

Adjusting the Wedge and Telescope Movement

How to adjust the wedge for alignment and move the telescope in R.A. and DEC.

Transporting and Storing the Telescope

Procedures for safely moving and storing the telescope assembly.

Telescope Basics and Observation

Focusing and Finder Alignment

Guides on achieving sharp focus and aligning the finderscope for accurate aiming.

Observing Techniques

Tips for daytime and nighttime observing, including planets and deep sky objects.

Magnification and Field of View

How to calculate magnification and determine the field of view for observations.

General Observing Hints

Best practices for visual observation and common pitfalls to avoid.

Astronomy Fundamentals and Polar Alignment

Celestial Coordinate System

Explains the R.A. and Dec system for locating celestial objects.

Polar Alignment Procedures

Detailed methods for polar aligning the telescope for accurate tracking.

Aligning the RA Setting Circle

Calibrating the R.A. setting circle for precise object location.

Drive System Operation

Powering Up and Using the Drive

Instructions for powering the drive, selecting tracking rates, and using the hand controller.

Periodic Error Correction

Advanced feature to improve tracking accuracy by correcting gear oscillations.

Connectors and Troubleshooting

Details drive system connectors and provides solutions for common operational issues.

Celestial Observing

Observing the Moon, Planets, and Sun

Guides for observing celestial bodies, including optimal phases and safety for solar viewing.

Deep Sky Objects and Star Hopping

Finding and observing faint objects using setting circles and star hopping techniques.

Understanding Seeing Conditions

Factors like transparency, illumination, and seeing that affect observation quality.

Celestial Photography

Prime Focus and Piggyback Photography

Techniques for basic astrophotography using prime focus and piggyback methods.

Eyepiece Projection and Long Exposure Photography

Advanced photography methods for high-magnification and deep-sky objects.

Telescope Maintenance and Accessories

Optics Care and Collimation

Proper cleaning of optical surfaces and mirror collimation for optimal performance.

Optional Accessories

A list and description of various optional accessories available for the telescope.

Reference Information

The Messier Catalog

A catalog of deep-sky objects for amateur observation, with coordinates and types.

List of Bright Stars

A list of bright stars with coordinates for R.A. setting circle alignment.

Technical Specifications

Detailed technical data and specifications for the telescope models.

Further Reading

Recommended books to enhance astronomical knowledge and sky observation skills.

Related product manuals