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Celestron 31058, 31056 instruction manual C150-HD and G-8N Newtonian

Models: 31058 31056

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Specs Install Warranty Attaching the Accessory Tray Setting Up the Tripod Using the Setting Circles Focusing

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C150-HD AND G-8N NEWTONIAN

INSTRUCTION MANUAL

Models #31056 and #31058

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Celestron 31058, 31056 instruction manual C150-HD and G-8N Newtonian

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Contents

C150-HD and G-8N Newtonian Page B L E N T E N T S Celestial Photography T R O D U C T I O N How to Use this Manual Word of Caution Newtonian Optical System Unpacking Your G-8N S E M B L I N G Y O U R N E W T O N I a N T E L E S C O P E G-8N C150-HD Adjusting the Tripod Height Setting Up the Tripod Attaching the Accessory Tray They are needed later for polar alignment Attaching the Equatorial Mount Attaching the R.A. Slow Motion Knob Attaching the Declination Slow Motion Knob Attaching the Counterweight Bar and Counterweight Attaching the Telescope to the Mount For G-8N Attaching the Telescope to the Mount For C150- HD Balancing the Telescope in R.A Removing the Lens Cap Completely Balancing the Telescope in DEC G-8N C150-HD Installing the Finderscope Installing the Eye- piece Technical Specifications ActualVeiw NewtonianView Image Orientation Focusing Aligning the Finder Daytime Observing Your First Look Nighttime Observing Calculating Magnification Determining Field of View Celestial Coordi- nate System T R O N O M Y B a S I C S Motion of the Stars Definition Polar Alignment Finding the Pole Latitude Scales Pointing at Polaris Declination Drift Polar Alignment Finders Aligning the R.A Setting Circle Observing the Moon Planets L E S T I a L O B S E R V I N G Observing Deep-Sky Objects Observing the S u n Using the Setting Circles Star Hopping Celestial Observing Transparency Viewing ConditionsSky Illumination Seeing Celestial Observing L E S T I a L P H O T O G R a P H Y Short Exposure Prime F o c u s Lunar Phase ISO Crescent Quarter 125 Full 250 Piggyback Celestial Photography L E S C O P E M a I N T E N a N C E Care and Cleaning of the Optics Collimation Or back out the holder screws more than one 1 to two 2 turns T I O N a L a C C E S S O R I E S Optional Accessories Single Axis Motor Drive System #93518 Themessiercatalog Great Orion Nebula Elliptical Galaxy List of Bright Stars For Further Reading Celestron ONE Year Warranty

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