Did you get a telescope for Christmas but you aren’t quite sure how to use it? FREE event open to the public. It’s a common complaint among first-time telescope owners: “I’ve got this new ...

The Prairie Astronomy Club will offer its annual free session: “How to Use Your Telescope” at Hyde Observatory, Tuesday evening January 28th at 7:30 p.m.

How does one determine magnification? I have an Edmund Scientific Astroscan, 4-1/8-inch aperture, F/4.2 reflecting telescope, used with a 2.5x Barlow lens and a 28mm Plossl eyepiece.

There is a free workshop at 7:30 p.m. Wednesday on “How to Use Your Telescope” that is designed for new telescope owners or folks who have telescopes that maybe they never figured out how to use.

This article was originally published with the title “How to Silver Mirrors for a Reflecting Telescope” in SA Supplements Vol. 83 No. 2141supp (January 1917), p. 27 doi:10.1038 ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

In time he developed a new telescope design and a new approach to telescope making. Compared to the typical amateur telescope of the time, what came to be known as the "Dobsonian" telescopes were ...