Celestron C6-RGT Telescope User Manual


 
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Version.............................................................................................................................................. 27
Get Alt-Az......................................................................................................................................... 27
Goto Alt-Az ......................................................................................................................................27
Hibernate...........................................................................................................................................27
Turn On/Off GPS..............................................................................................................................27
TELESCOPE BASICS..................................................................................................................................................29
Image Orientation......................................................................................................................................29
Focusing....................................................................................................................................................30
Aligning the Finderscope.......................................................................................................................... 30
Calculating Magnification.........................................................................................................................30
Determining Field of View........................................................................................................................31
General Observing Hints...........................................................................................................................31
ASTRONOMY BASICS...............................................................................................................................................32
The Celestial Coordinate System ..............................................................................................................32
Motion of the Stars.................................................................................................................................... 33
Finding the North Celestial Pole ...............................................................................................................35
Declination Drift Method of Polar Alignment.......................................................................................... 36
CELESTIAL OBSERVING.........................................................................................................................................37
Observing the Moon..................................................................................................................................37
Lunar Observing Hints.............................................................................................................................. 37
Observing the Planets................................................................................................................................37
Observing the Sun .....................................................................................................................................37
Solar Observing Hints ...............................................................................................................................38
Observing Deep Sky Objects ....................................................................................................................38
Seeing Conditions ..................................................................................................................................... 38
Transparency.............................................................................................................................................38
Sky Illumination........................................................................................................................................38
Seeing........................................................................................................................................................38
Using the Lens Cap Aperture Stop ...........................................................................................................39
ASTROPHOTOGRAPHY............................................................................................................................................40
Piggyback .................................................................................................................................................40
Short Exposure Prime Focus Photography................................................................................................41
Terrestrial Photography............................................................................................................................. 42
Metering.................................................................................................................................................... 42
Reducing Vibration ...................................................................................................................................42
Auto Guiding.............................................................................................................................................43
TELESCOPE MAINTENANCE..................................................................................................................................44
Care and Cleaning of the Optics ...............................................................................................................44
Collimation ...............................................................................................................................................44
OPTIONAL ACCESSORIES.....................................................................................................................................46
APPENDIX A – TECHNICAL SPECIFICATIONS................................................................................................49
APPENDIX B – GLOSSARY OF TERMS................................................................................................................50
APPENDIX C – LONGITUDES AND LATITUDES.................................................................................................53
APPENDIX D – RS-232 CONNECTION....................................................................................................................58
APPENDIX E – TIME ZONE MAP............................................................................................................................60
SKY MAPS....................................................................................................................................................................62