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Celestron C10-N manual 2 - The Advanced Series GT Newtonian, C8-NGT Shown

Models: C10-N C8-NGT C8-N

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Fig 1-2 - The Advanced Series GT Newtonian

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B	9
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Fig 1-2 - The Advanced Series GT Newtonian

(C8-NGT Shown)

1.	Finderscope	8.	Center Leg Brace / Accessory Tray
2.	Finderscope Bracket	9.	Counterweights
3.	Eyepiece	10.	Counterweight Bar
4.	Focuser	11.	Dovetail Slide Bar
5.	Tube Rings	12.	Optical Tube
6.	Latitude Adjustment Lever	13.	Hand Control
7.	2" Steel Tripod	14.	R.A. Motor Drive / Control Panel
	CONTROL PANEL	15.	Declination Motor Drive
A	Hand Control Port
B	DEC Motor Port	D	12v Output Jack
C	Autoguide Port	E	ON/OFF Switch

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Celestron C10-N manual 2 - The Advanced Series GT Newtonian, C8-NGT Shown

Contents

INSTRUCTION MANUAL C8-N / C8-NGTC10-N / C10-N Advanced Series Advanced Series GTAdjusting the Mount in Altitude TELESCOPE BASICS Some of the many standard features of the Advanced GT include Fig 1-1 - The Advanced Series Newtonian C8-N ShownFig 1-2 - The Advanced Series GT Newtonian C8-NGT Shown31061 Setting up the TripodAttaching the Equatorial Mount 11047Installing the Counterweight Bar Attaching the Center Leg BraceInstalling the Counterweight Attaching the Hand Control Holder Advanced GT Models OnlyAttaching the Slow Motion Knobs For Non-GT Models Only Attaching the Telescope Tube to the Mount Installing the Finderscope Installing the Eyepiecestelescope Balancing the Tube in R.A Balancing the Telescope in DECOF THE TELESCOPE TUBE COMPLETELY Adjusting the Mount Adjusting the Mount in AltitudeAdjusting the Mount in Azimuth Powering the TelescopeAttaching the Declination Cable For GT Models Only The Advanced GT Hand Control Named Objects Hand Control OperationNamed Stars Double StarsAlignment Procedures Startup ProcedureAuto Align Auto Three-Star AlignQuick-Align Last AlignmentRe-Alignment Slewing to an Object Object CatalogSelecting an Object Finding PlanetsDirection Buttons Tour ModeConstellation Tour Rate Button6 = 7 = .5º / sec 8 = 2º / sec 9 = 3º / sec Setup Procedures1 = 2 = 1x sidereal 3 = 4 = 5 = Nine available slew speedsIdentify Scope Setup Features Precise GoToObserving Tip Helpful Hint Utility Features Helpful Hint ALIGNMENT ADVANCED GTMENU LISTImage Orientation A cutaway view of the light path of the Newtonian optical designCalculating Magnification FocusingAligning the Finderscope Actual image orientation as seen with the unaided eyeDetermining Field of View General Observing HintsThe Celestial Coordinate System The celestial sphere seen from the outside showing R.A. and DECMotion of the Stars Latitude Scales Pointing at PolarisFinding the North Celestial Pole the south celestial poleDeclination Drift Method of Polar Alignment Observing the Planets Observing the MoonLunar Observing Hints Observing the SunSeeing Conditions Solar Observing HintsObserving Deep Sky Objects 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 Reducing Vibration Terrestrial PhotographyMetering Lunar PhaseAuto Guiding Care and Cleaning of the Optics CollimationAligning the Secondary Mirror Aligning the Primary Mirror Night Time Star Collimating Procedure Please read this section completely before beginningPage Orange, Light Blue, ND13%T, Polarizing #s 21, 80A, #15, Polarizing 40mmSeries 1 - #94119-10 Series 2 - #94119-20Series 4 - #94119-40 Series 3 - #94119-30Light Red, Blue, Green, ND50% T #s 23A, 38A, 58, 96ND-50 Yellow, Deep Yellow, Violet, Pale Blue #s 8, 47, 82A, 96ND-13Page 31061 Appendix A - Technical SpecificationsAdvanced Series 11047Appendix B - Glossary of Terms Page Page APPENDIX C LONGITUDES AND LATITUDES CONNECTICUTLONGITUDE LONGITUDE LONGITUDE CANADA INTERNATIONALCommunication Protocol Appendix D - RS-232 ConnectionPC Command ASCII DescriptionAdditional RS232 Commands Reset The Position Of Azm Or AltSend Any Track Rate Through RS232 To The Hand Control APPENDIX E - MAPS OF TIME ZONES Page Page Page Page Page Page Page CELESTRON TWO YEAR WARRANTY Copyright 2003 Celestron All rights reserved Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. 310Fax. 310 Products or instructions may change without notice or obligation