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Autoguide Rates ...............................................................................................................................................26
Azimuth Limits.................................................................................................................................................26
East/West Filtering...........................................................................................................................................27
Utility Features.........................................................................................................................................................27
Calibrate Goto ..................................................................................................................................................27
Home Position..................................................................................................................................................27
Polar Align .......................................................................................................................................................27
Light Control....................................................................................................................................................28
Factory Settings................................................................................................................................................28
Version.............................................................................................................................................................28
Get Alt-Az........................................................................................................................................................28
Goto Alt-Az......................................................................................................................................................28
Hibernate..........................................................................................................................................................28
Turn On/Off GPS .............................................................................................................................................28
ASTRONOMY BASICS ............................................................................................................................................................... 30
The Celestial Coordinate System..............................................................................................................................30
Motion of the Stars ...................................................................................................................................................31
Finding the North Celestial Pole...............................................................................................................................33
Declination Drift Method of Polar Alignment..........................................................................................................34
CELESTIAL OBSERVING ......................................................................................................................................................... 35
Observing the Moon.................................................................................................................................................35
Lunar Observing Hints .............................................................................................................................................35
Observing the Planets...............................................................................................................................................35
Observing the Sun ....................................................................................................................................................35
Solar Observing Hints ..............................................................................................................................................36
Observing Deep Sky Objects....................................................................................................................................36
Seeing Conditions.....................................................................................................................................................36
Transparency ............................................................................................................................................................36
Sky Illumination.......................................................................................................................................................36
Seeing.......................................................................................................................................................................36
ASTROPHOTOGRAPHY............................................................................................................................................................ 38
Short Exposure Prime Focus Photography...............................................................................................................38
Eyepiece Projection..................................................................................................................................................39
Long Exposure Prime Focus Photography ...............................................................................................................40
Terrestrial Photography............................................................................................................................................42
Metering ...................................................................................................................................................................42
Reducing Vibration...................................................................................................................................................42
CCD Imaging............................................................................................................................................................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