Celestron 91525, 11055, 11065 instruction manual B L E O F C O N T E N T S

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T A B L E O F C O N T E N T S
▲ INTRODUCTION	1
How to Use this Manual	2
A Word of Caution	2
The Schmidt-Cassegrain Optical System	3
▲ 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
▲ 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
▲ 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

Table of Contents • iii

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Contents Page E C e l e s t r o n C M- 11 00/1400 B L E O F C O N T E N T S Iv Table of Contents T R O D U C T I O N How to Use This Manual Word of Caution Schmidt-Cassegrain Optical System Unpacking Your Celestron CM-1100 S E M B L I N G Y O U R C M 1 1 0CM-1100 Setting Up the Tripod Central Column Electronics Console Center Leg Brace Attaching the Center Leg Brace Attaching the Central ColumnAttaching the Equatorial Mount Installing Counterweight Installing Counterweight BarAttaching the Optical Tube to the Mount Attaching the Visual Back Installing the Star Diagonal Assembling Your CM-1100 Installing the Finder Installing the Polar Finder Moving the Telescope in R.A. and DEC Adjusting the Mount Balancing the Mount in R.A Balancing the Mount in DEC Assembling Your CM-1100 Technical Specifications Tripod Image Orientation L E S C O P E B a S I C SFocusing General Photography Hints Aligning the Finder Daytime Observing Your First LookNighttime Observing Calculating Magnification Determining Field of View Celestial Coordinate System T R O N O M Y B a S I C SMotion of the Stars Definition Polar AlignmentFinding the Pole Latitude Scales Pointing at Polaris Polar Axis Finder Declination Drift Aligning the R.A. Setting Circle Setting the DEC Circle I N G T H E D R I V E Powering Up the DriveGuide Speed BC Backlash Correction Periodic Error Correc- tionHC/CCD Hand Controller Northern/Southern Hemisphere OperationAutoguiding DEC ReverseObserving the Moon L E S T I a L O B S E R V I N GObserving the Sun Observing Deep-Sky Objects Using Your Setting CirclesStar Hopping Celestial Observing Seeing Conditions Viewing ConditionsTransparency Sky IlluminationCelestial Observing L E S T I a L P H O T O G R a P H Y Lunar Phase ISO Crescent Quarter Short Exposure Prime FocusFull Celestial Photography Piggyback Celestial Photography Eyepiece Projection Planet ISO Moon Mercury Venus Mars Jupiter Saturn Long Exposure Prime Focus Celestial Photography CCD Imaging Description of F-numbers Fastar ConfigurationImaging at f/7 Imaging at f/11 Medium size to small galaxiesLunar or small planetary nebulae Planetary or Lunar Imaging at f/22L E S C O P E M a I N T E N a N C E Care and Cleaning of the Optics CollimationTelescope Maintenance Telescope Maintenance T I O N a L a C C E S S O R I E S Optional Accessories Optional Accessories Optional Accessories Mag Type Proper Name ConstNGC# Spiral Galaxy Magnitude Epoch Star Name ConstellationVisual Observation Astronomy TextsAtlases General Observational AstronomyCelestron ONE Year Warranty