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