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

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 Aligning the Viewfinder Using The ViewfinderFocusing the Viewfinder ETX-90EC 8 x 21mm Erect-Image ViewfinderAlignment Observation TechniquesChoosing an Eyepiece Understanding Magnification Telescope Focal Length Power = Eyepiece Focal Length1900mm Power = = 26mm Terrestrial ObservingElectronic Controller Astronomical ObservingSidereal Rate 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-105EC, ETX-125EC Standard Tripod Leg ETX-90ECHigh-Latitude Tripod Leg ETX-90EC High-Latitude Tripod Leg ETX-105EC, ETX-125ECPhotography ETX-90ECExample of a format 1 photo Few Tips on PhotographyPower 2x Barlow Optional AccessoriesPower 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 Tracking Motor Speeds Changing Modes Using the Electronic ControllerAppendix a Advanced Electronic Controller Functions Northern Hemisphere PolarAppendix B Helpful Charts Appendix C Precise Polar Alignment Setting Circles Setting CirclesMoon Appendix D YOU and the UniverseAutostar Glossary PlanetsDeep-Sky Objects Pleiades is one of the most beautiful open clustersMeade Limited Warranty Meade Instruments Corporation