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

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Instruction Manual

ETX-90EC Astro Telescope

ETX-105EC Astro Telescope

ETX-125EC Astro Telescope

Meade Instruments Corporation

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Contents Meade Instruments Corporation Page Contents Slew Speed QUICK-START GuideETX-90EC Astro Telescope Telescope and Electronic Controller FunctionsTelescope Controls ETX Your Personal Window to the UniverseViewfinder Computer Control Panel Flip mirror control in the up positionElectronic Controller Functions Indicator Light KeyLight Blinking Off Getting Started Focusing the Viewfinder Using The ViewfinderAligning the Viewfinder ETX-90EC 8 x 21mm Erect-Image ViewfinderChoosing an Eyepiece Observation TechniquesAlignment 1900mm Power = = 26mm Telescope Focal Length Power = Eyepiece Focal LengthUnderstanding Magnification Terrestrial ObservingSidereal Rate Astronomical ObservingElectronic Controller Slew SpeedsModes of Operation Alt/Az ModeTelescope Mountings To move the telescope using the Electronic Controller Polar ModeYou use Polar or Equatorial mounting. By Celestial Coordinates Polar Alignment ProcedureLocating the Celestial Pole High-Latitude Tripod Leg ETX-90EC Standard Tripod Leg ETX-90ECStandard Tripod Leg ETX-105EC, ETX-125EC High-Latitude Tripod Leg ETX-105EC, ETX-125ECETX-90EC PhotographyFew Tips on Photography Example of a format 1 photoPower Optional AccessoriesPower 2x Barlow ETX-105EC ETX-125EC Eyepiece#825 Right- Angle Viewfinder Storage and Transport General MaintenanceInspecting the Optics TroubleshootingTelescope moves off a terrestrial object while observing Meade Customer ServiceSpecifications ETX-105EC Astro Telescope Specifications ETX-90EC Astro TelescopeSpecifications ETX-125EC Astro Telescope Appendix a Advanced Electronic Controller Functions Changing Modes Using the Electronic ControllerTracking Motor Speeds Northern Hemisphere PolarAppendix B Helpful Charts Setting Circles Appendix C Precise Polar Alignment Setting CirclesAutostar Glossary Appendix D YOU and the UniverseMoon PlanetsPleiades is one of the most beautiful open clusters Deep-Sky ObjectsMeade Limited Warranty Meade Instruments Corporation