4921–4940 of 6,062 results

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.

Pro-Am Collaboration

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."

Astronomy & Observing News

Seeking the Origins of Cosmic Rays

Where do cosmic rays come from? Although they were first identified on a balloon flight in 1912, their sources have been hard to find. But recently a slight, unexplained excess of cosmic rays — only 0.1% above the sky average — was identified coming from the direction of Cygnus.

Pro-Am Collaboration

New Manual for Occultation Observers

The International Occultation Timing Association (IOTA) announced on April 3, 2007, the release of a free e-book, Chasing the Shadow: The IOTA Occultation Observer's Manual.

Astronomy & Observing News

This Rock Really Rolls Along

Despite a nearly full Moon, backyard astronomers around the world turned their telescopes skyward this past weekend to track down asteroid 2006 VV2.

Pro-Am Collaboration

New Disturbance in Jupiter's North Temperate Belt

On March 29, 2007, two new white spots appeared on Jupiter. Keep watch as they develop over the coming weeks.

Astronomy & Observing News

Telescope Weather Shield

Protect your fork-mounted telescope from the elements with a Scope Armor Telescope Protector.

Astronomy & Observing News

3-D Galactic Road Map

Ever wonder where the globular star cluster M13 is in relation to our Sun within the Milky Way? Think Astronomy will help you put it and many other objects in perspective with its new program.

Astronomy & Observing News

Beefy Focuser

JMI Telescopes introduces the Event Horizon series of 2-inch modular focusers for all makes and models of telescopes.

Astronomy & Observing News

Digital Medium Format

Astronomical CCD cameras are becoming available with imaging sensors larger than a 35-millimeter film frame.

New Product Showcase

Compact Autoguider

The Trifid Nugget from Yankee Robotics is a dedicated autoguider compatible with just about any guidescope or off-axis guiding system.

Astronomy & Observing News

"Go To" Retrofit

Eclipse Telescopes now offers the Gotostar retrofit kit to computerize any Eclipse Telescopes German equatorial mount.

Astronomy & Observing News

Observatories To Go

Do you want an observatory in your yard but lack the time or ability to build it? Backyard Observatories is your solution!

Astronomy & Observing News

Solar Filters

My Solar-Spotters are white-light solar filters contained in foam-lined boxes that serve as both storage cases and integral components of the safety mechanism.

Astronomy & Observing News

Observing Paragon

TMB Optical and Burgess Optical have teamed up once again and released the Paragon 40-mm, 2-inch Orthoscopic Super-Wide eyepiece.

Astronomy & Observing News

Protect Your Skyscout

Agena AstroProducts' new ScoutCase will protect your Celestron SkyScout from dirt, moisture, and accidental drops.

Astronomy & Observing News

Expanded Camera Control

Users of Lumenera cameras will appreciate the effort Heiko Wilkens put into developing Lucam Recorder.

Astronomy & Observing News

Astro Image in the News:
A Total Eclipse from Orbit

March 19th's solar eclipse was only a partial event from the ground, but the Hinode spacecraft was perfectly positioned to see the Moon cover the Sun completely.