4941–4960 of 6,071 results

Astronomy & Observing News

Expanded Camera Control

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

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

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.

Jim Manning

Astronomy & Observing News

New Leaders for American Astronomy

The Astronomical Society of the Pacific is getting a new executive director, and the American Astronomical Society has elected its next president.

Astronomy & Observing News

Pluto Occultation — A First Report

Professional and amateur astronomers are continuing to sift through and analyze data they collected during the March 18th occultation involving Pluto and a 15th-magnitude star in Sagittarius. It was the best-ever Pluto occultation predicted for North America.

Astronomy & Observing News Jupiter's New Red Spot"}'>

Astro Image in the News:
Jupiter's New Red Spot

Taking in the sights as it zipped past Jupiter en route to Pluto, the New Horizons spacecraft has given planetary scientists their best view yet of a new Earth-size storm swirling in the planet's southern hemisphere.

Pleiades and the Moon

Celestial News & Events

The Moon Meets the Pleiades

The Moon will be closing in on Messier 45 tonight; observers along the West Coast may see the Moon pass in front of some of the star cluster.

Astronomy & Observing News

Taking a Bite Out of the Sun

On Monday parts of Southeast Asia, China, Korea, Siberia, and northwestern Alaska (where it was still the 18th) were treated to a relatively minor partial eclipse of the Sun. Although the event wasn't seen by many, those who were fortunate to be in the Moon's shadow snapped some great photos.

Astronomy & Observing News

Probing Mars's Hidden Glaciers

Using ground-penetrating radar carried by orbiting spacecraft, scientists can "see" huge slabs of nearly pure ice buried near the Martian poles.

Pro-Am Collaboration

New Comet in Indus

After a two-year search, on March 15, 2007, Australian amateur Terry Lovejoy found his first comet.

Astronomy & Observing News

Pluto's Shadow to Sweep Over North America

For the first time, professional and amateur telescopes from California to Texas will get to watch distant Pluto sweep directly in front of a star. The outcome will aid planning for the Pluto-bound New Horizons spacecraft.

Pro-Am Collaboration

Update on March 18th's Occultation of a Star by Pluto

The countdown has begun for this important occultation of a 15th-magnitude star by Pluto, due to occur on Sunday morning, March 18, 2007.

Astronomy & Observing News

A Comet Caught by Its Trail

A dedicated comet watcher has turned up something unexpected in images of Comet Encke taken with his 5-inch refractor: a trail of rubble strewn along the comet's orbit.

Astronomy & Observing News

New Reconnaissance of Mars Well Under Way

Last week planetary scientists from around the world gathered in Houston, Texas, to see the first science results from NASA's Mars Reconnaissance Orbiter. They weren't disappointed.