More on Amazon.com : http://www.amazon.com/gp/product/B00000K3RK?tag=thefatkidin06-20 <br /> <br />Meade 497 Autostar Computer Controller for ETX Telescopes <br /> <br />30344 celestial oobject database <br />Finds and Tracks all celestial objects including the moon planets asteroids comets and satellites <br />Celestial event option for eclipses meteor showers moon phases and equinoxes <br />Built-in eyepiece calculator and options for advanced telescope control <br />Works with ETX-90EC ETX-105EC ETX-125EC Astro telescopes
