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Celestron NexStar 8i manual Mounting the Telescope to the Tripod

Models: NexStar 8i

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INTRODUCTION	4
WARNING	4
QUICK SETUP	7
Assembling the NexStar	9
Mounting the Telescope to the Tripod	9
Powering the NexStar	10
The Hand Control	10
The Star Diagonal	10
The Eyepiece	11
The Star Pointer Finderscope	11
HAND CONTROL	13
Hand Control Operation	14
Alignment Procedures	15
Auto Two-Star Align	15
Two-Star Alignment	16
EQ Alignments	17
Re-Alignment	17
Object Catalog	17
Finding Planets	18
Tour Mode	18
Direction Buttons	19
Rate Button	19
Setup Procedures	19
Tracking Mode	19
Tracking Rate	20
View Time-Site	20
User Defined Objects	20
Get RA/DEC	21
Goto R.A/Dec	21
Scope Setup Features	21
Setup Time-Site	21
Anti-backlash	21
Slew Limits	21
Filter Limits	21
Direction Buttons	21
Goto Approach	22
Autoguide Rate	22
Cordwrap	22
Utility Features	22
GPS On/Off	22
Wedge Align	22
Light Control	22
Factory Settings	22
Version	22
Get Alt-Az	22
Goto Alt-Az	23
Hibernate	23
TELESCOPE BASICS	25
Image Orientation	25
Focusing	26
Calculating Magnification	26
Determining Field of View	26
General Observing Hints	27

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Celestron NexStar 8i manual Mounting the Telescope to the Tripod

Contents

INSTRUCTION MANUAL Mounting the Telescope to the Tripod The Celestial Coordinate System Some of the many standard features of the NexStar include Figure 1-A - The NexStar 8i SE StarPointer Finderscope Eyepiece Star Diagonal Visual Back 2 Battery CompartmentOn/Off Switch With the NexStar powered on, press ENTER to begin an alignment Center Support Rod Accessory Tray Assembling the NexStarMounting the Telescope to the Tripod Locking KnobThe Star Diagonal Powering the NexStarThe Hand Control Figure 1-3 The NexStar can be powered with 8 AA batteriesThe Star Pointer Finderscope Star Pointer InstallationThe Eyepiece Figure 1-5 The Star Pointer Finderscope with Mounting BracketStar Pointer Operation The NexStar Computerized Hand Control Named Objects Hand Control OperationNamed Stars Double StarsHelpful Alignment ProceduresAuto Two-Star Align HintHint Two Star AlignmentHelpful Observing TipNexStar Re-Alignment Object CatalogEQ North / EQ South Alignment Selecting an ObjectSlewing to an Object Tour ModeFinding Planets Helpful HintRate Button Setup ProceduresDirection Buttons = 1x siderealLunar Used for tracking the moon when observing the lunar landscape Scope Setup Features MENUUtility Features Helpful Hint GPS ON/OFF WEDGE ALIGN LIGHT CONTROL FACTORY SETTING VERSION TRACKING MODEVIEW TIME-SITE SCOPE SETUP NexStar ReadyReversed from left to right, as viewed with a Star Diagonal Image OrientationActual image orientation as seen with the unaided eye Inverted image, as viewed with the eyepiece directly in telescopeDetermining Field of View FocusingCalculating Magnification General Observing Hints The Celestial Coordinate System The celestial sphere seen from the outside showing R.A. and DECMotion of the Stars Polar Alignment with optional Wedge Wedge AlignFinding the North Celestial Pole celestial poleObserving the Sun Observing the MoonObserving the Planets Lunar Observing HintsTransparency Observing Deep Sky ObjectsSeeing Conditions Sky IlluminationPage Short Exposure Prime Focus Photography Crescent Eyepiece ProjectionLunar Phase QuarterMoon Long Exposure Prime Focus PhotographyPlanet Mercury6. Set the shutter speed to the B setting 1. Polar align the telescope using an optional equatorial wedge2. Remove all visual accessories 10. Open the shutter using a cable releaseMetering Terrestrial PhotographyCCD Imaging Reducing VibrationCorrector Plate Collimation Screws Care and Cleaning of the OpticsCollimation To make collimation a simple procedure, follow these easy steps Page Adapter, Car Battery #18769 #94119-40 - Yellow, Deep Yellow, Violet, Pale Blue #s 8, 15, 47, 82A Page Electronic Specifications APPENDIX A - TECHNICAL SPECIFICATIONSOptical Specification Mechanical Specifications5,386 Complete Messier CatalogComplete IC Catalog Complete CaldwellAppendix B - Glossary of Terms Focal length resolution APPENDIX C LONGITUDES AND LATITUDES CONNECTICUTLONGITUDE LONGITUDE LONGITUDE CANADA INTERNATIONALAppendix D - RS-232 Connection Communication ProtocolAPPENDIX E - MAPS OF TIME ZONES Page Page Page Page Page Page Page CELESTRON TWO YEAR WARRANTY CelestronProducts or instructions may change without notice or obligation Celestron 2835 Columbia Street Torrance, CA Tel. 310 Fax. 310Copyright 2004 Celestron All rights reserved Item # 11022-XLT-SE-INST 11-04 $10.00