ABSTRACT.I describe a simple new method for collimating a Cassegrain telescope that gives near-perfect correction over a wide field of view. This method was used to collimate the 6.5 m MMT in 2002 ...

While telescopes are designed to work outside, it sometimes takes some tender care to keep them working at their best. Over time, telescopes will pick up dust, and depending on how often they are ...

No other telescope design offers the combination of features and portability as a Schmidt-Cassegrain telescope (SCT). You may not consider it the best for any one application, but it does everything ...

Were you lucky enough to get a new telescope for Christmas? If so, I'm guessing that if you're reading this then you may be getting annoyed that you can't see anything through it or you may still have ...

How to capture images of nebulae, galaxies, star clusters. Deep-sky photography involves capturing images of nebulae, galaxies and star clusters, which are too small and distant to see with normal ...

Photographing the planets has long been a mainstay of both amateur and professional astronomers. It wasn’t so long ago that images from Voyager were wowing astronomers and scientists while amateurs ...

With over a decade of experience at Which?, Tom covers everything from tech advice to money-saving tips and highlights the best deals during major sales events. A capable telescope can treat you to ...