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Table of Contents • iii
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▲ INTRODUCTION .................................................................................................................................. 1
How to Use this Manual..................................................................................................................... 2
A Word of Caution ............................................................................................................................. 2
The Schmidt-Cassegrain Optical System .......................................................................................... 3
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▲ ASSEMBLING YOUR CELESTRON CM-1100 ...................................................................................... 4
Unpacking Your Celestron CM-1100 .................................................................................................. 4
Setting Up the Tripod ......................................................................................................................... 6
Attaching the Center Leg Brace ........................................................................................................ 7
Attaching the Central Column ............................................................................................................ 7
Attaching the Equatorial Mount.......................................................................................................... 8
Installing the Counterweight Bar ........................................................................................................ 9
Installing the Counterweight ............................................................................................................... 9
Attaching the Celestron CM-1100 to the Mount ................................................................................10
Attaching the Visual Back ................................................................................................................11
Installing the Star Diagonal ...............................................................................................................11
Installing the Eyepiece .....................................................................................................................12
Installing the Finder ..........................................................................................................................13
Installing the Polar Axis Finder .........................................................................................................14
Moving the Telescope in R.A. and DEC ............................................................................................15
Using the Slow Motion Controls ........................................................................................................15
Adjusting the Mount .........................................................................................................................16
Balancing the Mount in R.A. .............................................................................................................17
Balancing the Mount in DEC.............................................................................................................18
Transporting Your Celestron CM-1100 ..............................................................................................19
Storing Your Celestron CM-1100 ......................................................................................................19
Technical Specifications ...................................................................................................................20
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▲ TELESCOPE BASICS .........................................................................................................................22
Image Orientation .............................................................................................................................22
Focusing ..........................................................................................................................................23
General Photography Hints ...............................................................................................................24
Aligning the Finder ............................................................................................................................24
Your First Look .................................................................................................................................25
Daytime Observing .....................................................................................................................25
Nighttime Observing ...................................................................................................................26
Calculating Magnification ..................................................................................................................27
Determining Field of View .................................................................................................................27
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▲ ASTRONOMY BASICS .......................................................................................................................28
The Celestial Coordinate System ......................................................................................................28
Motion of the Stars ...........................................................................................................................29
Polar Alignment ................................................................................................................................30
Finding the Pole ...............................................................................................................................31
Latitude Scales ..........................................................................................................................32
Pointing at Polaris ......................................................................................................................33
The Polar Axis Finder.................................................................................................................34
Declination Drift ..........................................................................................................................35
Aligning the Setting Circles .............................................................................................................36
T A B L E O F C O N T E N T S