Knowledge Base
Find answers fast. Our comprehensive knowledge base is your go-to resource for getting the most out of your Celestron product.
How do I use an equatorial mount for terrestrial observing?
It’s awkward to use an equatorial mount for viewing terrestrial objects, as any sweeping movement to the left or right will have the tube moving upwards or downwards. Try raising...
How do I use an equatorial mount for terrestrial observing?
It’s awkward to use an equatorial mount for viewing terrestrial objects, as any sweeping movement to the left or right will have the tube moving upwards or downwards. Try raising...
Why can’t I see any light coming through my telescope?
If you can’t see any light coming through your telescope, check to be sure your tube cap or lens cap is removed. This is the plastic or metal cover over...
Why can’t I see any light coming through my telescope?
If you can’t see any light coming through your telescope, check to be sure your tube cap or lens cap is removed. This is the plastic or metal cover over...
Why can’t I see anything using my eyepiece?
If you can’t see anything clearly through your telescope using your eyepiece, try using a different eyepiece; switch from a high-power eyepiece to a lower-power (ex: 4mm to a 20mm...
Why can’t I see anything using my eyepiece?
If you can’t see anything clearly through your telescope using your eyepiece, try using a different eyepiece; switch from a high-power eyepiece to a lower-power (ex: 4mm to a 20mm...
My NexStar 6 or 8SE arrived missing the tripod tray spring, what can I do?
The NexStar 6 and 8SE telescopes are Not supplied with a spring for the tripod accessory tray. The NexStar 4 and 5SE telescopes are supplied with a spring for the...
My NexStar 6 or 8SE arrived missing the tripod tray spring, what can I do?
The NexStar 6 and 8SE telescopes are Not supplied with a spring for the tripod accessory tray. The NexStar 4 and 5SE telescopes are supplied with a spring for the...
Why can't I retrieve a list of observable comets in TheSky?
There is a bug in TheSky that shuts down the program when you select Data > Comets and Minor Planets > Comets > Observable. You will see a message "Executable...
Why can't I retrieve a list of observable comets in TheSky?
There is a bug in TheSky that shuts down the program when you select Data > Comets and Minor Planets > Comets > Observable. You will see a message "Executable...
How do I connect my computerized telescope to my computer using NexRemote?
1. Make sure the telescope is powered on. 2. When using a serial to USB connection, make sure the drivers for the serial to USB adapter are installed. 3. Verify...
How do I connect my computerized telescope to my computer using NexRemote?
1. Make sure the telescope is powered on. 2. When using a serial to USB connection, make sure the drivers for the serial to USB adapter are installed. 3. Verify...