5601–5620 of 6,755 results

Equipment: Guides & Recommendations

Convertible Refractors: Stellarvue 90-mm Apo Refractors

The SV90TBV fluorite triplet refractor from Stellarvue sports several features that help set it apart from the multitude of scopes recently entering the market.

Equipment: Guides & Recommendations

Apo Fever Relief: TMB-130 Signature Series Apo Refractor

If you’re looking for a moderate-aperture apochromat, consider the new arrival from TMB’s Signature Series, the TMB-130.

Equipment: Guides & Recommendations

Building a Better Bino Adapter: FAR-Sight

If you think there isn’t much room for improving the classic adapter for mounting binoculars to camera tripods, then you must not be one of the people at Farpoint Astronomical Research. These clever individuals have recently introduced the FAR-Sight, a stainless-steel, quick-release mounting system for most binoculars having a standard ¼-20 threaded socket.

Equipment: Guides & Recommendations

Lightweight Heavyweight: Astro-Physics Mach 1 GTO Mount

In the 21st century, a German equatorial mount with Go To technology might seem rather ordinary. But when “Astro-Physics” appears on the nameplate, lots of people, especially advanced astrophotographers, take notice.

Equipment: Guides & Recommendations

Small Wonder: Astro-Tech 1¼-inch Diagonal

Astronomy Technologies has incorporated most of the latest features found on premium 2-inch diagonals in a classic 1¼-inch design.

Equipment: Guides & Recommendations

Different Dob?: Parks Astrolight AZ6 and AZ8 Reflectors

When is an altazimuth-mounted Newtonian telescope not a Dobsonian? When it’s a new Parks Astrolight AZ reflector.

Equipment: Guides & Recommendations

Cadillac of Finders: Stellarvue F50 and F80 Finders

While Go To telescopes may have reduced the importance of optical finders, they haven’t stopped Stellarvue from developing a line of premium models that are more closely related to small telescopes than they are to their namesakes from the past.

Astronomy & Observing News

Dorrit Hoffleit, 1907-2007

A world-renowned expert on variable stars, astrometry, and the history of astronomy — and a prolific contributor to Sky & Telescope — has passed away at age 100.

Equipment: Guides & Recommendations

Portable Pier Lift

Pier-Tech now produces a heavy-duty portable telescope pier that’s perfect for star parties and observatories alike.

Equipment: Guides & Recommendations

SBIG for Macs

Now Macintosh users can fully utilize CCD cameras from Santa Barbara Instrument Group.

Astronomy & Observing News

April's Stargazing Celebrations

This week amateur astronomers across the U.S. and around the world will host events designed to involve the public in appreciating the night sky.

Astronomy & Observing News

Earth's "Other Moon"

Last year Earth's gravity apparently captured a tiny asteroid that ventured too near our planet. But this "second Moon" will only hang around until June, when it'll get shoved back out into interplanetary space.

Astronomy & Observing News

Astro Image in the News:
The Red Square Nebula

New observations using giant telescopes and state-of-the-art cameras have revealed a star in the constellation Serpens that's throwing out matter in a startlingly symmetrical shape.

Resources and Education

A Bright Naked-Eye Asteroid Occultation

On Tuesday evening, April 17, 2007, observers in Georgia and Florida will get a chance to watch asteroid 411 Xanthe cover the 4.2-magnitude star Iota Cancri.

New Product Showcase

Hot New Products for 2007

One of the most popular features we publish in Sky & Telescope is our annual Hot Products roundup, in which we call special attention to noteworthy astronomy products introduced into the marketplace during the past year.

Astronomy & Observing News

Jupiter's Tumultuous Changes

Cloud patterns on Jupiter are undergoing a major upheaval. Have a look with your telescope before dawn.

Astronomy & Observing News

Utah Park Earns "Dark Sky" Status

Southeastern Utah's Natural Bridges National Monument has long been known for its breathtakingly dark nighttime skies. And now that reputation — along with some improved park lighting — has earned Natural Bridges recognition as the world's first International Dark-Sky Park.

Astronomy & Observing News

Porter Garden Telescope Changes Hands

At the Boston auction house of Skinner, Inc., one of the most coveted of telescope collectibles recently went on the block. Barely more than a dozen of these elegant bronze garden ornaments from the 1920s are known to exist today.

Resources and Education

Call for Observations of X-ray Binaries and CVs

From late April through mid-May 2007, professionals are seeking amateur observations of four X-ray binaries and a cataclysmic variable star.

Astronomy & Observing News

South Pole Telescope Readied for Operation

On February 16th, at the bottom of the world, engineers pointed a brand-new telescope toward Jupiter, cooled its detectors to an unfathomable ¼° above absolute zero, and collected "first light."