
3
Light Control .................................................................................................................................... 27
Factory Settings ................................................................................................................................ 27
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
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
OPTIONAL ACCESSORIES
..................................................................................................................................... 45
APPENDIX A – TECHNICAL SPECIFICATIONS
............................................................................................... 47
APPENDIX B – GLOSSARY OF TERMS
............................................................................................................... 48
APPENDIX C – LONGITUDES AND LATITUDES ................................................................................................ 51
APPENDIX D – RS-232 CONNECTION ................................................................................................................... 56
APPENDIX E – TIME ZONE MAP ........................................................................................................................... 58
SKY MAPS.................................................................................................................................................................... 60
Содержание C100ED-R
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