5621–5640 of 6,755 results

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.

Resources and Education

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.

Resources and Education

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.

Equipment: Guides & Recommendations

Expanded Camera Control

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

Equipment: Guides & Recommendations

Telescope Weather Shield

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

Equipment: Guides & Recommendations

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.

Equipment: Guides & Recommendations

Beefy Focuser

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

Equipment: Guides & Recommendations

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.

Equipment: Guides & Recommendations

"Go To" Retrofit

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

Equipment: Guides & Recommendations

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!

Equipment: Guides & Recommendations

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.

Equipment: Guides & Recommendations

Observing Paragon

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

Equipment: Guides & Recommendations

Protect Your Skyscout

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

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.