Check out RelayPros. They have am easily configurable software control tool. https://relaypros.com/Relay/Relay/USB_Relay_Controller For a more packaged solution check out Kmtronic. They have a nice co

I’m not impressed with the image, particularly with an 80 mm scope. AP cautions against large moments of inertia. You are moving the center of gravity a long way from the RA axis. Even with good balan

AP has an extension for the counterweight shaft. Frank

You would probably have to replace the motors. Frank

A go to is not the same as an alt/az pointing that you would use to line up a polar scope in the center of the RA axis on a mount. In a go to the Declination of Polaris is 89 degrees 20 minutes, so th

AP has a procedure for adjusting the mesh between the worm and the worm gear that will eliminate the play in either axis. The play is easier to detect in RA because of the large moment arm provided by

Rick, I elected to keep the mini PC on the stationary side because I connect it to the GTOCP4 via a serial cable. I also connect other stationary items like the Astromi.ch GPS/Environmental sensor, an

#Mach2GTO

Rather than put a mini pc on the moving side of my AP 1600. I mount a Startech 7-port industrial USB and a Rig Runner power distribution and run two cables through the mount. I house an industrial min

#Mach2GTO

I just downloaded an ephemeris, so the site does work.

I tried to download from the website, but I think they are shut down. You can do it from the DC-3 Dreams web site. It is not as bad as they make it out to be. Frank