Celestron C8-NGT Computerized Handleiding

Celestron Telescoop C8-NGT Computerized

Bekijk gratis de handleiding van Celestron C8-NGT Computerized (71 pagina’s), behorend tot de categorie Telescoop. Deze gids werd als nuttig beoordeeld door 39 mensen en kreeg gemiddeld 4.0 sterren uit 20 reviews. Heb je een vraag over Celestron C8-NGT Computerized of wil je andere gebruikers van dit product iets vragen? Stel een vraag

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Pagina 1/71

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INTRODUCTION.................................................................................................................................................................................................... 4

Warning ................................................................................................................................................................................................................4

ASSEMBLY ............................................................................................................................................................................................................. 7

Setting up the Tripod.............................................................................................................................................................................................7

Attaching the Equatorial Mount ............................................................................................................................................................................7

Attaching the Center Leg Brace ............................................................................................................................................................................8

Installing the Counterweight Bar ..........................................................................................................................................................................8

Installing the Counterweight .................................................................................................................................................................................9

Attaching the Hand Control Holder ......................................................................................................................................................................9

Attaching the Slow Motion Knobs........................................................................................................................................................................9

Attaching the Telescope Tube to the Mount........................................................................................................................................................10

Installing the Finderscope ...................................................................................................................................................................................11

Installing the Eyepieces.......................................................................................................................................................................................11

Balancing the Tube in R.A. .................................................................................................................................................................................12

Adjusting the Mount ...........................................................................................................................................................................................13

Adjusting the Mount in Altitude........................................................................................................................................................13

Adjusting the Mount in Azimuth.......................................................................................................................................................14

Attaching the Declination Cables (For GT Models Only) ...................................................................................................................................14

Powering the Telescope ......................................................................................................................................................................................14

HAND CONTROL.................................................................................................................................................................................................15

Hand Control Operation......................................................................................................................................................................................16

Alignment Procedures.........................................................................................................................................................................................17

Startup Procedure................................................................................................................................................................................................ 17

Auto Align ..........................................................................................................................................................................................................18

Auto Three-Star Align ........................................................................................................................................................................................18

Quick-Align ........................................................................................................................................................................................................19

Last Alignment ...................................................................................................................................................................................................19

Re-Alignment......................................................................................................................................................................................................19

Object Catalog ....................................................................................................................................................................................................20

Selecting an Object ...........................................................................................................................................................................20

Slewing to an Object .........................................................................................................................................................................20

Finding Planets..................................................................................................................................................................................20

Tour Mode ........................................................................................................................................................................................21

Constellation Tour.............................................................................................................................................................................21

Direction Buttons ..............................................................................................................................................................................21

Rate Button .......................................................................................................................................................................................21

Setup Procedures.................................................................................................................................................................................................22

Tracking Mode..........................................................................................................................................................................................22

Tracking Rate............................................................................................................................................................................................22

Date/Time .................................................................................................................................................................................................22

User Defined Objects ................................................................................................................................................................................22

Get RA/DEC .............................................................................................................................................................................................23

Goto R.A/Dec............................................................................................................................................................................................23

Identify......................................................................................................................................................................................................23

Precise GoTo.....................................................................................................................................................................................24

Scope Setup Features ........................................................................................................................................................................24

Setup Time-Site.........................................................................................................................................................................................24

Anti-backlash ............................................................................................................................................................................................24

Filter Limits ..............................................................................................................................................................................................24

Direction Buttons ......................................................................................................................................................................................25

Goto Approach..........................................................................................................................................................................................25

Autoguide Rates........................................................................................................................................................................................25

Azimuth Limits .........................................................................................................................................................................................25

East/West Filtering....................................................................................................................................................................................26

Utility Features ...................................................................................................................................................................................................26

Calibrate Goto...........................................................................................................................................................................................26

Home Position...........................................................................................................................................................................................26

Polar Align ................................................................................................................................................................................................26

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

Collimation .........................................................................................................................................................................................................44

OPTIONAL ACCESSORIES.............................................................................................................................................................................. 48

APPENDIX A – TECHNICAL SPECIFICATIONS......................................................................................................................................... 51

APPENDIX B – GLOSSARY OF TERMS......................................................................................................................................................... 52

APPENDIX C – LONGITUDES AND LATITUDES..........................................................................................................................................55

APPENDIX D – RS-232 CONNECTION.............................................................................................................................................................60

APPENDIX E – TIME ZONE MAP..................................................................................................................................................................... 62

SKY MAPS............................................................................................................................................................................................................. 64