Contents
Advanced Series Advanced Series GT
C8-N / C8-NGT
C10-N / C10-N
INSTRUCTION MANUAL
Adjusting the Mount in Altitude
TELESCOPE BASICS
Some of the many standard features of the Advanced GT include
C8-N Shown
Fig 1-1 - The Advanced Series Newtonian
C8-NGT Shown
Fig 1-2 - The Advanced Series GT Newtonian
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Setting up the Tripod
Attaching the Equatorial Mount
31061
Attaching the Center Leg Brace
Installing the Counterweight Bar
Installing the Counterweight
Attaching the Hand Control Holder Advanced GT Models Only
Attaching the Slow Motion Knobs For Non-GT Models Only
Attaching the Telescope Tube to the Mount
Installing the Finderscope
Installing the Eyepieces
telescope
Balancing the Tube in R.A
Balancing the Telescope in DEC
OF THE TELESCOPE TUBE COMPLETELY
Adjusting the Mount in Altitude
Adjusting the Mount
Adjusting the Mount in Azimuth
Powering the Telescope
Attaching the Declination Cable For GT Models Only
The Advanced GT Hand Control
Double Stars
Hand Control Operation
Named Stars
Named Objects
Startup Procedure
Alignment Procedures
Auto Three-Star Align
Auto Align
Quick-Align
Last Alignment
Re-Alignment
Finding Planets
Object Catalog
Selecting an Object
Slewing to an Object
Rate Button
Tour Mode
Constellation Tour
Direction Buttons
Nine available slew speeds
Setup Procedures
1 = 2 = 1x sidereal 3 = 4 = 5 =
6 = 7 = .5º / sec 8 = 2º / sec 9 = 3º / sec
Identify
Precise GoTo
Scope Setup Features
Observing Tip Helpful Hint
Utility Features
Helpful Hint
LIST
ADVANCED GT
MENU
ALIGNMENT
A cutaway view of the light path of the Newtonian optical design
Image Orientation
Actual image orientation as seen with the unaided eye
Focusing
Aligning the Finderscope
Calculating Magnification
General Observing Hints
Determining Field of View
The celestial sphere seen from the outside showing R.A. and DEC
The Celestial Coordinate System
Motion of the Stars
Pointing at Polaris
Latitude Scales
the south celestial pole
Finding the North Celestial Pole
Declination Drift Method of Polar Alignment
Observing the Sun
Observing the Moon
Lunar Observing Hints
Observing the Planets
Transparency
Solar Observing Hints
Observing Deep Sky Objects
Seeing Conditions
Seeing 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
Lunar Phase
Terrestrial Photography
Metering
Reducing Vibration
Auto Guiding
Care and Cleaning of the Optics
Collimation
Aligning the Secondary Mirror
Aligning the Primary Mirror
Procedure Please read this section completely before beginning
Night Time Star Collimating
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Series 2 - #94119-20
40mm
Series 1 - #94119-10
Orange, Light Blue, ND13%T, Polarizing #s 21, 80A, #15, Polarizing
Yellow, Deep Yellow, Violet, Pale Blue #s 8, 47, 82A, 96ND-13
Series 3 - #94119-30
Light Red, Blue, Green, ND50% T #s 23A, 38A, 58, 96ND-50
Series 4 - #94119-40
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Appendix A - Technical Specifications
Advanced Series
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Appendix B - Glossary of Terms
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CONNECTICUT
APPENDIX C LONGITUDES AND LATITUDES
LONGITUDE
LONGITUDE
LONGITUDE
INTERNATIONAL
CANADA
Description
Appendix D - RS-232 Connection
PC Command ASCII
Communication Protocol
Additional RS232 Commands
Reset The Position Of Azm Or Alt
Send Any Track Rate Through RS232 To The Hand Control
APPENDIX E - MAPS OF TIME ZONES
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CELESTRON TWO YEAR WARRANTY
Products or instructions may change without notice or obligation
Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. 310
Fax. 310
Copyright 2003 Celestron All rights reserved