1–20 of 146 results

Eclipses

Useful Projects for a Lunar Eclipse

Here's all you need to know to help us measure the size of Earth's shadow during the total lunar eclipse on Jan. 20–21, 2019.

Creating the

Celestial News & Events

How We Create the "Skygazer's Almanac"

Sky & Telescope's year-at-a-glance guide to celestial happenings is a symphony of detailed calculations and clear, elegant design.

Moon

Find the Phase of the Moon

Learn the phase of the Moon tonight, the day you were born, or on any historical date.

People, Places, and Events

Bill Bradfield, Comet Hunter Extraordinaire (1927-2014)

The prolific comet hunter William A. Bradfield tallied 18 comets in his lifetime, each discovered visually and credited to him alone.

People, Places, and Events

Jean Texereau, Master Optician

In France, one of the giants of telescope making has died. He shared his years of professional experience with amateurs around the world.

New nova in Sagittarius

Pro-Am Collaboration

Nova in Sagittarius: Nova Sagittarii 2012 No. 4

A nova visible in good binoculars was spotted July 7, 2012, by observers in Japan.

Astronomy & Observing News

A Glitch in Time

On June 30, 2012, the world's official timekeepers will add a leap second for the first time in 3½ years.

Astronomy & Observing News

Norman Edmund, Optics Entrepreneur

His company got its start with the military surplus optics that flooded the marketplace right after World War II. Ever since, Edmund Scientific (now Edmund Optics) has inspired generations of budding astronomers.

Comet Ikeya-Murakami

Pro-Am Collaboration

New Binocular Comet in the Morning Sky

On November 3, 2010, two amateurs in Japan discovered an 8th-magnitude comet visually. It's visible in binoculars.

Astronomy & Observing News

Walt Whitman's "Meteor-Procession"

A team led by Texas State astronomer Donald W. Olson identifies a meteoric event described by Walt Whitman in Leaves of Grass with a real event the poet probably witnessed from New York City on July 20, 1860.

Pro-Am Collaboration

Asteroid To Hide Naked-Eye Star

For anyone in a 25-mile-wide path right across Los Angeles, a bright star in Ophiuchus will wink off for several seconds in the predawn hours of April 6, 2010.

Pro-Am Collaboration

New Comet Machholz

California's comet-hunting veteran Don Machholz bagged his 11th discovery on March 23 and 26, 2010. It's a faint diffuse comet, low in the morning sky.

Pro-Am Collaboration

Nova in Eridanus

Japanese amateur Koichi Itagaki, of recent comet fame, has just discovered a nova near Rigel on November 25, 2009.

Press Releases

Leonid Meteor Shower To Perform Late Tonight

The Leonid meteor shower peaks near new Moon in 2009, making this a fine year for any meteor lover. Observers in the Americas are ideally placed for the traditional peak, and a brief, unusually intense burst is forecast for Asia.

Press Releases

The Great 2012 Scare — and What You Need To Know

The world won't end on December 21, 2012, but you're probably already getting lots of questions about it.

Astronomy & Observing News

Five Amateurs Win Comet Prize

The 2009 Edgar Wilson Award honors amateur astronomers who discovered five different comets in the last 12 months, proving that backyard comet hunting still thrives in this age of automated professional sky patrols.

Astronomy & Observing News

Eclipse Over a Pacific Isle

The coral-ringed islet of Ouba in Kiribati (the Gilbert Islands) is less than a kilometer in circumference and about the remotest corner of Earth from which one could witness the total solar eclipse on July 22, 2009. A select group from Ring of Fire Expeditions did just that.

Pro-Am Collaboration

New Circumpolar Comet Yi-SWAN

On March 26, 2009, Korean amateur Dae-am Yi caught the small, greenish glow of a new comet with his Canon camera.

alan macrobert

How To Find Comet Lulin This Week

Comet Lulin is nearest and brightest this week, and it's in a dark, moonless sky. Use our exclusive sky chart to find it with binoculars or a telescope!

Pro-Am Collaboration

Rare Eclipse of EE Cephei Is Set to Begin

During January 2009 a faint star in Cepheus will fade, as it does every five or six years, when "something" goes in front of it.

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