Celestron C8-S, C9-S, C5-S instruction manual Telescope Basics

Get Alt-Az	28
Goto Alt-Az	28
Hibernate	28
Turn On/Off GPS	28
TELESCOPE BASICS	30
Image Orientation	30
Focusing	31
Aligning the Finderscope	31
Calculating Magnification	31
Determining Field of View	32
General Observing Hints	32
ASTRONOMY BASICS	33
The Celestial Coordinate System	33
Motion of the Stars	34
Finding the North Celestial Pole	36
Declination Drift Method of Polar Alignment	37
CELESTIAL OBSERVING	38
Observing the Moon	38
Lunar Observing Hints	38
Observing the Planets	38
Observing the Sun	38
Solar Observing Hints	39
Observing Deep Sky Objects	39
Seeing Conditions	39
Transparency	39
Sky Illumination	39
Seeing	39
ASTROPHOTOGRAPHY	41
Short Exposure Prime Focus Photography	41
Eyepiece Projection	42
Long Exposure Prime Focus Photography	43
Terrestrial Photography	45
Metering	45
Reducing Vibration	45
CCD Imaging	45
Auto Guiding	46
TELESCOPE MAINTENANCE	47
Care and Cleaning of the Optics	47
Collimation	47
OPTIONAL ACCESSORIES	49
APPENDIX A – TECHNICAL SPECIFICATIONS	52
APPENDIX B – GLOSSARY OF TERMS	53
APPENDIX C – LONGITUDES AND LATITUDES	56
APPENDIX D – RS-232 CONNECTION	61
APPENDIX E – TIME ZONE MAP	63
SKY MAPS	65

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