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
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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
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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
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TELESCOPE MAINTENANCE ............................................................................................................. 63
Care and Cleaning of the Optics ....................................................................................................... 63
Collimation ....................................................................................................................................... 63
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OPTIONAL ACCESSORIES ................................................................................................................ 66
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THE MESSIER CATALOG .................................................................................................................. 70
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LIST OF BRIGHT STARS ................................................................................................................... 73
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FOR FURTHER READING ................................................................................................................... 74
