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

▲ 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