I have two scopes I want to use side-by-side or tandem with my Celestron...

Yes, you can! Tandem support (the ability to turn the Dec axis 90 degrees and mount multiple optical tubes side-by-side) is now available for firmware versions GEM 4.15 and higher...

I have two scopes I want to use side-by-side or tandem with my Celestron...

Yes, you can! Tandem support (the ability to turn the Dec axis 90 degrees and mount multiple optical tubes side-by-side) is now available for firmware versions GEM 4.15 and higher...

How can I mount my AstroMaster telescope’s counterweight if there is a m...

Remove the counterweight locking screw from the side of the counterweight. Use a flat head screwdriver that will easily fit into the counterweight shaft hole. Push the aluminum pin, so...

How can I mount my AstroMaster telescope’s counterweight if there is a m...

Remove the counterweight locking screw from the side of the counterweight. Use a flat head screwdriver that will easily fit into the counterweight shaft hole. Push the aluminum pin, so...

How can I adjust the CGE Pro for latitudes higher than 42 degrees?

As shipped from the factory, the CGE Pro mount will only adjust to a latitude maximum of about 42 degrees.If you live at a latitude higher than 42 degrees you...

How can I adjust the CGE Pro for latitudes higher than 42 degrees?

As shipped from the factory, the CGE Pro mount will only adjust to a latitude maximum of about 42 degrees.If you live at a latitude higher than 42 degrees you...

When I use Identify with my GoTo scope, what is it showing me?

Menu > Identify displays the angular distance (degrees, minutes, seconds) from the center of the eyepiece field to objects that are in the database of your scope’s hand control. You...

When I use Identify with my GoTo scope, what is it showing me?

Menu > Identify displays the angular distance (degrees, minutes, seconds) from the center of the eyepiece field to objects that are in the database of your scope’s hand control. You...

How do I use the RA and Dec vernier scales on my mount’s setting circles?

The RA setting circle on your AS-GT mount is only marked to intervals of ten minutes. To increase the accuracy of the circle, there is a vernier scale (vernier for...

How do I use the RA and Dec vernier scales on my mount’s setting circles?

The RA setting circle on your AS-GT mount is only marked to intervals of ten minutes. To increase the accuracy of the circle, there is a vernier scale (vernier for...

I have an old fork-mounted Celestron Schmidt-Cassegrain telescope (SCT)....

There is no upgrade available to convert your old Celestron fork-mounted SCT to a GoTo capability.Instead, you need to convert it to a dovetail mounting. Here is an outline of...

I have an old fork-mounted Celestron Schmidt-Cassegrain telescope (SCT)....

There is no upgrade available to convert your old Celestron fork-mounted SCT to a GoTo capability.Instead, you need to convert it to a dovetail mounting. Here is an outline of...