Celestron NexStar 8 - Page 3

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Observing the Sun ..................................................................................................................................30
Observing Deep Sky Objects..................................................................................................................30
Seeing Conditions ..................................................................................................................................30
Transparency .........................................................................................................................................30
Sky Illumination .....................................................................................................................................30
Seeing.....................................................................................................................................................31
CELESTIAL PHOTOGRAPHY .................................................................................................................32
Short Exposure Prime Focus Photography............................................................................................32
Eyepiece Projection................................................................................................................................33
Long Exposure Prime Focus Photography ............................................................................................34
Terrestrial Photography.........................................................................................................................35
CCD Imaging .........................................................................................................................................36
TELESCOPE MAINTENANCE.................................................................................................................37
Care and Cleaning of the Optics............................................................................................................37
Collimation.............................................................................................................................................37
OPTIONAL ACCESSORIES ....................................................................................................................39
APPENDIX A - TECHNICAL SPECIFICATIONS..................................................................................42
APPENDIX B – GLOSSARY OF TERMS.................................................................................................43
APPENDIX C –LONGITUDES AND LATITUDES.................................................................................46
APPENDIX D - RS-232 CONNECTION....................................................................................................51
APPENDIX E – MAPS OF TIME ZONES ................................................................................................52
SKY MAPS....................................................................................................................................................54