You see much more of the universe in a steady view than in a jiggling view. Change your binocular observing forever with this easy-to-make stabilizer frame.

The mirror in your telescope will probably work fine with a bit of dust on it, but if it's really dirty, you may want to clean it — carefully!

"Seeing" — the atmospheric quivering that fuzzes out high-power views — is the bane of every telescope user. Here's how to minimize its impact.

With just a little electrical know-how you can make an antidew heater that suits your scope.

The backyard observatories of our editorial staff run the gamut from the elegantly simple to the luxuriously complete.

Size can be deceptive; this small observatory is remarkably practical.

Here are a few potential problems that you might not see on your blueprints.

Three tools are commonly used to collimate Newtonian reflectors.

The secondary-mirror offset is no doubt the most misunderstood aspect of collimation. Luckily you don't need to understand it to collimate your instrument.

Long-exposure astrophotography requires an accurately aligned equatorial mount.

Accurate optical alignment is neither difficult, mysterious, nor time-consuming. In fact, it's only three steps away.