My Advanced GT (CG-5) mount clicks every second in RA. What’s wrong?

This is probably caused by misalignment of the two gears attached to the RA motor. Try repositioning the motor with respect to the gears. Be sure they are making contact,...

My Advanced GT (CG-5) mount clicks every second in RA. What’s wrong?

This is probably caused by misalignment of the two gears attached to the RA motor. Try repositioning the motor with respect to the gears. Be sure they are making contact,...

How do I connect my CN16 GPS to an Advanced GT (AS-GT) mount?

There is no AUX port on the AS-GT mount, so you need to get an adapter to provide an AUX port for the mount. Celestron’s AUX port accessory plugs into...

How do I connect my CN16 GPS to an Advanced GT (AS-GT) mount?

There is no AUX port on the AS-GT mount, so you need to get an adapter to provide an AUX port for the mount. Celestron’s AUX port accessory plugs into...

My scope seems to have runaway slews at times, circling around to track ...

Most likely it is caused by meridian flip. Here's the explanation.The hand control is programmed to prevent the scope from running into the mount and also to keep the counterweight’s...

My scope seems to have runaway slews at times, circling around to track ...

Most likely it is caused by meridian flip. Here's the explanation.The hand control is programmed to prevent the scope from running into the mount and also to keep the counterweight’s...

My index marks are missing or aren’t properly positioned on my Advanced ...

The manual recommends starting alignment with the telescope in the index position. There are pairs of arrowed stickers on the CG-5 mount that are the index marks for declination and...

My index marks are missing or aren’t properly positioned on my Advanced ...

The manual recommends starting alignment with the telescope in the index position. There are pairs of arrowed stickers on the CG-5 mount that are the index marks for declination and...

My Advanced GT mount is frozen in RA: I loosen the clutch and it won't m...

There is a stuck setscrew inside the mount that is the culprit. It needs factory service by Celestron.Updated 12/27/13

My Advanced GT mount is frozen in RA: I loosen the clutch and it won't m...

There is a stuck setscrew inside the mount that is the culprit. It needs factory service by Celestron.Updated 12/27/13

How do I use the latitude adjustment screws on my Advanced GT mount?

The base of the Advanced GT mount has two screws mounted opposite to one another that are used to adjust the tilt of the polar axis. The rear screw (underneath...

How do I use the latitude adjustment screws on my Advanced GT mount?

The base of the Advanced GT mount has two screws mounted opposite to one another that are used to adjust the tilt of the polar axis. The rear screw (underneath...