the mysky cable set from meade, lets you connect a mysky to a meade autostar, 494, 497, or autostar ii equipped computerized telescope. It lets you point your mysky at a celestial object, push a button on the mysky, and have your telescope slew to the objetc you've selected on the color lcd screen. There's no more scrolling through menus to find the messier number of that globular cluster or nebula you can see overhead so you can get your scope to move to it. Just point the mysky at the object, push a button, and your scope will go rgiht to it. The cable set also lets you add the mysky gps date, time, and location functions to meade non-gps computerized telescopes for a more acucrate telescope set-up. HTe cable set comes with three cables, a 10' coiled cable with 4-pin to 4-pin telephone-style connectors for use with a #497 autostar-equipped telescope etx90 and up, lxd75, lx90, etc. The second is an lx200 classic 10' coiled cable with 4-pin to 6-pin telephone-style connectors ofr use with an autostar ii-equipped telescope lx200, lx200r, etc. The third is a 10' coiled cable with 4-pin to 4-pin telephone-style connectors and a built-in adapter for use with a #494 autostar-equipped telescope ds-series, etx-70 and 80, etc. Not for use with meade ngc telescopes. This process can take up to 2 weeks.