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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