Popular Articles

How to Determine Which Eyepieces to Use with Your Telescope
SCT & EdgeHD Collimation Guide
Aligning Your Celestron Finderscope: A Step-by-Step Guide
Why is my Telescope Showing Everything Upside Down? Is There Something Wrong with it?
Which scope aperture is best for different kinds of objects?

How do I use the visual back and StarDiagonal with my NexStar SE Schmidt...

Your NexStar SE Schmidt-Cassegrain telescope (SCT) has threads on the back of the tube to accept accessories for visual and photographic use. The major accessory for visual use with a...

How do I use the visual back and StarDiagonal with my NexStar SE Schmidt...

Your NexStar SE Schmidt-Cassegrain telescope (SCT) has threads on the back of the tube to accept accessories for visual and photographic use. The major accessory for visual use with a...

Is my SE telescope tube on backwards?

Because of the single-arm nature of the mounting and the GoTo firmware and drive, there is a preferred way to attach your telescope tube to the fork arm.1. Place the...

Is my SE telescope tube on backwards?

Because of the single-arm nature of the mounting and the GoTo firmware and drive, there is a preferred way to attach your telescope tube to the fork arm.1. Place the...

How do I find a new hand control for my Celestron mount?

How do I find a new hand control for my Celestron mount?

To determine which hand controller you need for your telescope, you must identify what computerized mount you have.Hand Control Compatibility ListNexStar+ Hand Control USB, AZ (93981)LCM seriesAstr...

How do I find a new hand control for my Celestron mount?

To determine which hand controller you need for your telescope, you must identify what computerized mount you have.Hand Control Compatibility ListNexStar+ Hand Control USB, AZ (93981)LCM seriesAstr...

How can I prevent the NexStar GPS error off of true north?

The older NexStar GPS telescopes (those with version 2.2 or older hand controls and all hand controls without versions) have the North and Level method programmed in the firmware. These...

How can I prevent the NexStar GPS error off of true north?

The older NexStar GPS telescopes (those with version 2.2 or older hand controls and all hand controls without versions) have the North and Level method programmed in the firmware. These...

Why is my NexStar GPS telescope taking so long for the GPS to link?

When it’s turned on, the GPS module in your NexStar GPS mount will use information about satellite positions (called ephemeris data) it received the last time it linked with the...

Why is my NexStar GPS telescope taking so long for the GPS to link?

When it’s turned on, the GPS module in your NexStar GPS mount will use information about satellite positions (called ephemeris data) it received the last time it linked with the...

Will TheSky software run on Windows Vista?

TheSky was supplied with Celestron telescopes sold before 2009. It will run in Vista 32, but will display a registry error when the program launches and may have other problems....

Will TheSky software run on Windows Vista?

TheSky was supplied with Celestron telescopes sold before 2009. It will run in Vista 32, but will display a registry error when the program launches and may have other problems....