Celestron 11055, 91525, 11065 instruction manual Iv Table of Contents

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▲ USING THE DRIVE	37
Powering Up the Drive	37
Guide Speed	38
Tracking Rate Selection	38
BC -Backlash Correction	39
Periodic Error Correction	39
HC/CCD	40
12 V DC	40
Northern/Southern Hemisphere Operation	41
Using the Hand Controller	41
R.A./DEC Reverse	42
Autoguiding	42
▲ CELESTIAL OBSERVING	43
Observing the Moon	43
Observing the Planets	43
Observing the Sun	44
Observing Deep-Sky Objects	45
Using the Setting Circles	45
Star Hopping	46
Viewing Conditions	48
Transparency	48
Sky Illumination	48
Seeing	48
▲ CELESTIAL PHOTOGRAPHY	50
Short Exposure Prime Focus	51
Piggyback	53
Eyepiece Projection	55
Long Exposure Prime Focus	57
CCD Imaging	59
Description of F-Numbers	60
Fastar Configuration	60
Imaging at f/2.1	61
Imaging at f/7	61
Imaging at f/11	61
Imaging at f/22	62
▲ TELESCOPE MAINTENANCE	63
Care and Cleaning of the Optics	63
Collimation	63
▲ OPTIONAL ACCESSORIES	66
▲ THE MESSIER CATALOG	70
▲ LIST OF BRIGHT STARS	73
▲ FOR FURTHER READING	74

iv • Table of Contents

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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 S E M B L I N G Y O U R C M 1 1 0 Unpacking Your Celestron CM-1100CM-1100 Setting Up the Tripod Attaching the Center Leg Brace Attaching the Central Column Central Column Electronics Console Center Leg BraceAttaching the Equatorial Mount Installing Counterweight Bar Installing CounterweightAttaching 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 L E S C O P E B a S I C S Image OrientationFocusing General Photography Hints Aligning the Finder Your First Look Daytime ObservingNighttime Observing Calculating Magnification Determining Field of View T R O N O M Y B a S I C S Celestial Coordinate SystemMotion of the Stars Polar Alignment DefinitionFinding the Pole Latitude Scales Pointing at Polaris Polar Axis Finder Declination Drift Aligning the R.A. Setting Circle Setting the DEC Circle Powering Up the Drive I N G T H E D R I V EGuide Speed Periodic Error Correc- tion BC Backlash CorrectionHC/CCD Northern/Southern Hemisphere Operation Hand ControllerDEC Reverse AutoguidingL E S T I a L O B S E R V I N G Observing the MoonObserving the Sun Using Your Setting Circles Observing Deep-Sky ObjectsStar Hopping Celestial Observing Viewing Conditions TransparencySky Illumination Seeing ConditionsCelestial Observing L E S T I a L P H O T O G R a P H Y Short Exposure Prime Focus Lunar Phase ISO Crescent QuarterFull Celestial Photography Piggyback Celestial Photography Eyepiece Projection Planet ISO Moon Mercury Venus Mars Jupiter Saturn Long Exposure Prime Focus Celestial Photography CCD Imaging Fastar Configuration Description of F-numbersMedium size to small galaxies Imaging at f/7 Imaging at f/11Lunar or small planetary nebulae Imaging at f/22 Planetary or LunarCare and Cleaning of the Optics Collimation L E S C O P E M a I N T E N a N C ETelescope 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 Const Mag Type Proper NameNGC# Spiral Galaxy Epoch Star Name Constellation MagnitudeAstronomy Texts AtlasesGeneral Observational Astronomy Visual ObservationCelestron ONE Year Warranty