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...

The RA and or Declination motor covers vibrate loudly on my Advanced GT ...

Some vibration of these covers is normal. If it is excessive or bugs you, here are a few things you can do.Tighten the screws holding the halves of the covers...

The RA and or Declination motor covers vibrate loudly on my Advanced GT ...

Some vibration of these covers is normal. If it is excessive or bugs you, here are a few things you can do.Tighten the screws holding the halves of the covers...

Why can’t I see the latitude index on my Advanced GT (CG-5) mount?

The latitude index mark is used set your latitude for polar alignment purposes.Unfortunately, the Advanced GT (CG-5) mount’s index is a small raised arrow cast in the same metal and...

Why can’t I see the latitude index on my Advanced GT (CG-5) mount?

The latitude index mark is used set your latitude for polar alignment purposes.Unfortunately, the Advanced GT (CG-5) mount’s index is a small raised arrow cast in the same metal and...