Table of Contents • i
T A B L E O F C O N T E N T S
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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 G - 8 ................................................................................................................... 4
The G-8 ......................................................................................................................................... 5
Assembling the CG-5 Equatorial Mount................................................................................ 6
Setting Up the Tripod ......................................................................................................... 6
Adjusting the Tripod Height ................................................................................................ 6
Attaching the Accessory Tray ........................................................................................... 7
Attaching the Equatorial Mount ......................................................................................... 8
Attaching the R.A. Slow Motion Knob ................................................................... 9
Attaching the Declination Slow Motion Knob ........................................................ 10
Attaching the Counterweight Bar and Counterweights .......................................... 11
Attaching the Telescope to the Mount .............................................................................. 12
Removing the Lens Cap .................................................................................................... 13
Balancing the Telescope in R.A. ....................................................................................... 14
Balancing the Telescope in DEC ...................................................................................... 14
Adjusting the Mount in Altitude ......................................................................................... 15
Adjusting the Mount in Azimuth ........................................................................................ 15
Disassembling and Transporting Your G-8 ........................................................................ 16
Storing Your G-8 .............................................................................................................. 16
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THE CELESTRON 8 OPTICAL TUBE ASSEMBLY ............................................................................... 17
Setting Up your C8 OTA .................................................................................................... 18
Installing the Finderscope .................................................................................................. 18
Attaching the Finder Bracket to the Telescope .................................................................. 18
Attaching the Finder to the Bracket ................................................................................... 19
Removing the Lens Cap ..................................................................................................... 19
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TELESCOPE BASICS .......................................................................................................................... 20
Attaching the Accessories ............................................................................................................ 20
The Visual Back ............................................................................................................... 20
The Star Diagonal ............................................................................................................. 20
The Eyepiece ................................................................................................................... 21
Image Orientation .......................................................................................................................... 22
Focusing ....................................................................................................................................... 23
Aligning the Finder ........................................................................................................................ 24
Your First Look ............................................................................................................................. 25
Daytime Observing ........................................................................................................... 25
Nighttime Observing ......................................................................................................... 26
Calculating Magnification ............................................................................................................... 27
Determining Field of View .............................................................................................................. 27
General Observing Hints ................................................................................................................ 28
General Photography Hints ........................................................................................................... 28
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ASTRONOMY BASICS ........................................................................................................................ 29
The Celestial Coordinate System .................................................................................................. 29
Motion of the Stars ........................................................................................................................ 30
