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?
Should I use a tripod or a monopod?

Should I use a tripod or a monopod?

A common question regarding tripods and monopods is, “Which one should I use?” The answer is a relatively simple one; however, it requires first answering three other questions first:What optic...

Should I use a tripod or a monopod?

A common question regarding tripods and monopods is, “Which one should I use?” The answer is a relatively simple one; however, it requires first answering three other questions first:What optic...

When should I use a tripod for my binoculars?

At first glance, binoculars seem simple—just pick them up and start observing. But the moment you hold them steady for more than a few minutes, the limitations become clear.Even small...

When should I use a tripod for my binoculars?

At first glance, binoculars seem simple—just pick them up and start observing. But the moment you hold them steady for more than a few minutes, the limitations become clear.Even small...

Does my Spotting Scope accept Astronomical Eyepiece & Filters?

Using Astronomical Eyepieces and Filters with Celestron Spotting ScopesOne of the features that makes Celestron’s Regal M2 ED, TrailSeeker, Hummingbird ED, C90, and C5 spotting scopes much more ver...

Does my Spotting Scope accept Astronomical Eyepiece & Filters?

Using Astronomical Eyepieces and Filters with Celestron Spotting ScopesOne of the features that makes Celestron’s Regal M2 ED, TrailSeeker, Hummingbird ED, C90, and C5 spotting scopes much more ver...

I need a shutter release cable for my Nexstar 4/5SE mount. Where can I f...

Unfortunately Celestron does not sell this cable separately from the scope. However, they are available online. Please reach out to any third-party dealer. Or you can make one. Here is...

I need a shutter release cable for my Nexstar 4/5SE mount. Where can I f...

Unfortunately Celestron does not sell this cable separately from the scope. However, they are available online. Please reach out to any third-party dealer. Or you can make one. Here is...

What's the difference between Variable Polarizing filter, the Neutral De...

Neutral Density Moon FilterThe 94105 Neutral Density Moon Filter is a filter that attaches to a 1.25” eyepiece that lowers the amount of light entering the eyepiece by 87%. In...

What's the difference between Variable Polarizing filter, the Neutral De...

Neutral Density Moon FilterThe 94105 Neutral Density Moon Filter is a filter that attaches to a 1.25” eyepiece that lowers the amount of light entering the eyepiece by 87%. In...

RASA 8 Questions and Answers

 Why can’t the Rowe-Ackermann Schmidt Astrograph (RASA) 8 be used visually?The optics produce an image at the front end of the telescope, not the back. Therefore, you cannot look through...

RASA 8 Questions and Answers

 Why can’t the Rowe-Ackermann Schmidt Astrograph (RASA) 8 be used visually?The optics produce an image at the front end of the telescope, not the back. Therefore, you cannot look through...