Meade ETX-125EC, ETX-105EC instruction manual Meade Instruments Corporation

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A D V A N C E D P R O D U C T S D I V I S I O N

Meade Instruments Corporation

World’s Leading Manufacturer of Astronomical Telescopes for the Serious Amateur

6001 Oak Canyon, Irvine, California 92618 ■ (949) 451-1450
FAX: (949) 451-1460 ■ www.meade.com	© 2001

Ver. 0501 Part no. 14-1010-20

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Contents Meade Instruments Corporation Page Contents QUICK-START Guide Slew SpeedTelescope and Electronic Controller Functions ETX-90EC Astro TelescopeViewfinder ETX Your Personal Window to the UniverseTelescope Controls Flip mirror control in the up position Computer Control PanelLight Blinking Off Indicator Light KeyElectronic Controller Functions Getting Started Using The Viewfinder Focusing the ViewfinderAligning the Viewfinder ETX-90EC 8 x 21mm Erect-Image ViewfinderAlignment Observation TechniquesChoosing an Eyepiece Telescope Focal Length Power = Eyepiece Focal Length 1900mm Power = = 26mmUnderstanding Magnification Terrestrial ObservingAstronomical Observing Sidereal RateElectronic Controller Slew SpeedsTelescope Mountings Alt/Az ModeModes of Operation You use Polar or Equatorial mounting. By Polar ModeTo move the telescope using the Electronic Controller Locating the Celestial Pole Polar Alignment ProcedureCelestial Coordinates Standard Tripod Leg ETX-90EC High-Latitude Tripod Leg ETX-90ECStandard Tripod Leg ETX-105EC, ETX-125EC High-Latitude Tripod Leg ETX-105EC, ETX-125ECPhotography ETX-90ECExample of a format 1 photo Few Tips on PhotographyOptional Accessories PowerPower 2x Barlow ETX-105EC ETX-125EC Eyepiece#825 Right- Angle Viewfinder General Maintenance Storage and TransportTroubleshooting Inspecting the OpticsMeade Customer Service Telescope moves off a terrestrial object while observingSpecifications ETX-125EC Astro Telescope Specifications ETX-90EC Astro TelescopeSpecifications ETX-105EC Astro Telescope Changing Modes Using the Electronic Controller Appendix a Advanced Electronic Controller FunctionsTracking Motor Speeds Northern Hemisphere PolarAppendix B Helpful Charts Appendix C Precise Polar Alignment Setting Circles Setting Circles Appendix D YOU and the Universe Autostar Glossary Moon PlanetsDeep-Sky Objects Pleiades is one of the most beautiful open clustersMeade Limited Warranty Meade Instruments Corporation