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Celestron manual C80ED-R C100ED-R, Instruction Manual, Advanced Series Advanced Series GT

Models: C100ED-R C80ED-R

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Advanced Series

Advanced Series

Advanced Series GT

INSTRUCTION MANUAL

C80ED-R ● C100ED-R

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Celestron manual C80ED-R C100ED-R, Instruction Manual, Advanced Series Advanced Series GT

Contents

INSTRUCTION MANUAL C80ED-R C100ED-RAdvanced Series Advanced Series GT INTRODUCTION Light Control Many other high performance features Fig 1-2- The Advanced GT Series Attaching the Equatorial Mount Setting up the TripodAttaching the Center Leg Brace Installing the Counterweight BarAttaching the Hand Control Holder Installing the CounterweightAdvanced GT Models Only For Non-GTModels OnlyAttaching the Telescope Tube to the Mount The Optical Tube Installing the FinderscopeFigure Balancing the Tube in R.A Installing the EyepiecesFigure Balancing the Telescope in DEC Adjusting the MountOF THE TELESCOPE TUBE COMPLETELY FigureAdjusting the Mount in Azimuth Adjusting the Mount in AltitudePowering the Telescope Figure The Advanced GT Hand Control 1 7 2 8 3 9 4Named Stars Hand Control OperationNamed Objects Double StarsStartup Procedure Alignment ProceduresAuto Three-StarAlign Auto AlignLast Alignment Quick-AlignRe-Alignment Selecting an Object Object CatalogSlewing to an Object Finding PlanetsConstellation Tour Tour ModeDirection Buttons Rate Buttonsidereal Setup Procedures= .5º / sec 2º / secIdentify Precise GoTo Scope Setup Featuresexample, if you are observing from a mountainous location where the horizon is partially obscured, you can set your minimum altitude limit to read +20º. This will make sure that the hand control only displays objects that are higher in altitude than 20º Utility Features Helpful Hint MENU ADVANCED GTALIGNMENT LISTFigure Image OrientationActual image orientation as seen with the unaided eyeAligning the Finderscope FocusingCalculating Magnification General Observing Hints Determining Field of ViewFigure The Celestial Coordinate SystemMotion of the Stars Pointing at Polaris Latitude ScalesDefinition Finding the North Celestial PoleDeclination Drift Method of Polar Alignment Lunar Observing Hints Observing the MoonObserving the Planets Observing the SunObserving Deep Sky Objects Solar Observing HintsSeeing Conditions TransparencySeeing conditions directly affect image quality. These drawings represent a point source i.e., star under bad seeing conditions left to excellent conditions right. Most often, seeing conditions produce images that lie some where between these two extremes Piggyback Short Exposure Prime Focus Photography Metering Terrestrial PhotographyReducing Vibration Lunar PhaseAuto Guiding Care and Cleaning of the Optics 40mm Page Advanced Series Appendix A – Technical Specifications21021 / 21026 /Appendix B - Glossary of Terms Page Page APPENDIX C LONGITUDES AND LATITUDES LONGITUDE LONGITUDE LONGITUDE INTERNATIONAL CANADAPC Command ASCII Appendix D - RS-232ConnectionCommands below available on version 1.6 or later Commands below available on version 2.2 or laterReset The Position Of Azm Or Alt Additional RS232 CommandsAPPENDIX E – MAPS OF TIME ZONES Page Page Page Page Page Page Page CELESTRON TWO YEAR WARRANTY Copyright 2003 Celestron All rights reserved CelestronItem # 21021-INSTPrinted in China $10.00