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Celestron OMNI XLT 102 manual

Models: OMNI XLT 102

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Celestron OMNI XLT 102 manual

Contents

Omni XLT 102ED Omni XLT Series TelescopesINSTRUCTION MANUAL Omni XLTTable of Contents Transparency proper solar filter. Permanent and irreversible eye damage may result Latitude Adjustment Screw Accessory Tray/ Leg BraceCounterweights Counterweight BarAccessory Tray/ Leg Brace Figure 1-2 Omni XLT 150 NewtonianFinderscope Bracket FocuserSchmidt Corrector Lens Declination Setting CircleFigure 1-3 Omni XLT 127 Schmidt-Cassegrain Latitude ScaleSetting up the Tripod Attaching the Equatorial Mount Attaching the Center Leg Brace Installing the Counterweight BarAttaching the Slow Motion Control Knobs Cables Installing the CounterweightsTube Rings Mounting Bracket Mounting Platform Telescope Mounting Attaching the Telescope Tube to the MountScrew Installing the Visual Back Installing the Finderscopemake contact with the finderscope body Installing the Eyepieces Installing the Star DiagonalBalancing the Mount in R.A Moving the Telescope ManuallyDEC Clamp R.A. Clamp Balancing the Mount in DEC Adjusting the MountGO OF THE TELESCOPE TUBE COMPLETELY Adjusting the Mount in Azimuth Adjusting the Mount in AltitudeA cutaway view of the light path of the Refractor optical design A cutaway view of the light path of the Newtonian optical design Reversed from left to right, as FocusingImage Orientation Actual image orientation as seen with the unaided eyeCalculating Magnification Aligning the FinderscopeGeneral Observing Hints Determining Field of ViewThe celestial sphere seen from the outside showing R.A. and DEC The Celestial Coordinate SystemStarts seen near the north celestial pole Motion of the StarsStarts seen near the celestial equator Pointing at Polaris Latitude ScaleFinding the North Celestial Pole Litle Dipper Polar Alignment in the Southern HemispherePolar Alignment with the Latitude Scale Big DipperFinding the South Celestial Pole SCP Pointing at Sigma OctantisDeclination Drift Method of Polar Alignment Aligning the R.A. Setting Circle Using the R.A. Vernier Scale Planetary Observing Hints Observing the MoonLunar Observing Hints Observing the PlanetsSeeing Conditions Observing the SunSolar Observing Hints Observing Deep Sky ObjectsSeeing Using the Lens Cap Aperture Stop with Refractor TelescopesPiggyback Photography See note about digital cameras below Using Digital CamerasShort Exposure Prime Focus Photography for Refractors & Newtonians Short Exposure Prime Focus Photography for Schmidt-CassegrainsEyepiece Projection for a Schmidt-Cassegrain Long Exposure Prime Focus Photography Planetary and Lunar Photography with Special Imagers Reducing Vibration CCD Imaging for Deep Sky ObjectsTerrestrial Photography MeteringCollimation of Refractors Care and Cleaning of the Opticsrub in circles two 2 turns Collimation of a Schmidt-CassegrainTo make collimation a simple procedure, follow these easy steps Aligning the Secondary Mirror Collimation of a NewtonianAligning the Primary Mirror Primary Primary mirror needs Secondary mirror needsadjustment adjustmentSecondary Mirror Both mirrors aligned with the collimating cap in the focuserNight Time Star Collimating Procedure -- Please read this section completely before beginningpattern appeardiffraction Series 4 - # Series 1 - #Series 2 - # Series 3 - #Page Page Appendix A Technical Specifications Appendix B - Glossary of Terms Page Page Page Page Page Page Page Page Celestron Two Year Warranty Item # 21088-INST Rev Printed in China $10.00 Celestron 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. 310Copyright 2008 Celestron All rights reserved Products or instructions may change without notice or obligation