Celestron G-9.25 Instruction Manual page 3

CELESTIAL OBSERVING ........................................................................................................... CELESTIAL OBSERVING CELESTIAL OBSERVING CELESTIAL OBSERVING CELESTIAL OBSERVING
Observing the Moon ....................................................................................................................... 34
Observing the Planets .....................................................................................................................34
Observing the Sun .......................................................................................................................... 35
Observing Deep-Sky Objects ........................................................................................................... 36
Using the Setting Circles ....................................................................................................36
Star Hopping .....................................................................................................................37
Viewing Conditions ........................................................................................................................39
Transparency .................................................................................................................... 39
Sky Illumination ...............................................................................................................39
Seeing ...............................................................................................................................39
CELESTIAL PHOTOGRAPHY .................................................................................................... CELESTIAL PHOTOGRAPHY CELESTIAL PHOTOGRAPHY CELESTIAL PHOTOGRAPHY CELESTIAL PHOTOGRAPHY
Short Exposure Prime Focus ........................................................................................................... 42
Piggyback ...................................................................................................................................... 44
Eyepiece Projection ........................................................................................................................46
Long Exposure Prime Focus ........................................................................................................... 48
TELESCOPE MAINTENANCE TELESCOPE MAINTENANCE TELESCOPE MAINTENANCE TELESCOPE MAINTENANCE TELESCOPE MAINTENANCE ....................................................................................................
Care and Cleaning of the Optics .......................................................................................................50
Collimation ................................................................................................................................... 50
Technical Specifications ................................................................................................................. 52
OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES .......................................................................................................... OPTIONAL ACCESSORIES
OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES
THE MESSIER CATALOG ............................................................................................................ THE MESSIER CATALOG THE MESSIER CATALOG
THE MESSIER CATALOG THE MESSIER CATALOG
LIST OF BRIGHT STARS LIST OF BRIGHT STARS
LIST OF BRIGHT STARS .............................................................................................................. LIST OF BRIGHT STARS LIST OF BRIGHT STARS
FOR FURTHER READING FOR FURTHER READING
FOR FURTHER READING FOR FURTHER READING ........................................................................................................... FOR FURTHER READING
ii • Table of Contents
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