Meade Instruments Corporation | Meade ETX-125EC, ETX-105EC specification

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

Contents

Meade Instruments Corporation Page Contents QUICK-START Guide Slew Speed Telescope and Electronic Controller Functions ETX-90EC Astro Telescope Viewfinder ETX Your Personal Window to the UniverseTelescope Controls Flip mirror control in the up position Computer Control Panel Light Blinking Off Indicator Light KeyElectronic Controller Functions Getting Started Using The Viewfinder Focusing the ViewfinderAligning the Viewfinder ETX-90EC 8 x 21mm Erect-Image Viewfinder Alignment Observation TechniquesChoosing an Eyepiece Telescope Focal Length Power = Eyepiece Focal Length 1900mm Power = = 26mmUnderstanding Magnification Terrestrial Observing Astronomical Observing Sidereal RateElectronic Controller Slew Speeds Telescope 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-125EC Photography ETX-90EC Example of a format 1 photo Few Tips on Photography Optional Accessories PowerPower 2x Barlow ETX-105EC ETX-125EC Eyepiece #825 Right- Angle Viewfinder General Maintenance Storage and Transport Troubleshooting Inspecting the Optics Meade Customer Service Telescope moves off a terrestrial object while observing Specifications 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 Polar Appendix B Helpful Charts Appendix C Precise Polar Alignment Setting Circles Setting Circles Appendix D YOU and the Universe Autostar GlossaryMoon Planets Deep-Sky Objects Pleiades is one of the most beautiful open clusters Meade Limited Warranty Meade Instruments Corporation