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Night Sky Sights

Ceres and Vesta: July 2012 - April 2013

The two brightest asteroids are close to each other in late 2012 and early 2013. Moreover, they're traversing one of the most interesting areas in the night sky.

Night Sky Sights

Ceres and Vesta in 2011

The two brightest asteroids are in fine view for binoculars or a telescope. Here are instructions and charts to find them.

Astronomy & Observing News

Sky & Telescope July 2011

Sky & Telescope's July 2011 issue is now available to digital subscribers.

Explore Scientific

NEAF 2011 Videos Are Here!

Check out our videos from the 20th annual Northeast Astronomy Forum, one of the world's largest telescope shows.

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Great Red Spot Transit Table 2011-2012

Transit times for Jupiter's Great Red Spot are listed through March 2012.

Where to spot Eta Aquariid meteors

Celestial News & Events

See the Eta Aquarid Meteor Shower

The Eta Aquarids might be the best meteor shower that you've never heard of. Best viewed at southerly latitudes, this shower is strong in the predawn hours from May 4th through May 8th.

Celestial News & Events

Watch a Star Wink Out on August 10th

On the evening of Wednesday, August 10th, the Moon will cover the 2.9-magnitude star Pi Sagittarii for the eastern half of North America.

June 2011 S&T

Astronomy & Observing News

Sky & Telescope June 2011

Sky & Telescope's June 2011 issue is now available to digital subscribers.

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The Great Telescope Race

Author Trudy BellRoxana Bell During the 1800s, the United States experienced a veritable explosion in telescope construction, going from an astronomical backwater to the undisputed world leader in less than a century. How and why did this remarkable transformation take place? Award-winning science journalist, author, and astronomy historian Trudy Bell…

NorthEast Astronomy Forum in 2008

Astronomy & Observing News

Come to NEAF April 16-17

Make plans to attend the largest annual astronomy trade show in America: the Northeast Astronomy Forum & Telescope Show.

Global Astronomy Month logo

Astronomy & Observing News

Global Astronomy Month 2011

April is Global Astronomy Month. So try to think of one little extra thing that you can do bring the glories of the night sky to the attention of the general public.

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Eclipsing Binaries of Summer

The June 2011 issue of Sky & Telescope discusses the two bright, easy eclipsing binary stars that are visible from the Northern Hemisphere from May through July or later: Beta Lyrae and Delta Librae. Both of these are readily visible to the unaided eye in reasonably dark skies, and both…

Celestial News & Events

Mercury at Its Evening Highest

This week, Mercury reaches its highest in the evening sky for observers in the Northern Hemisphere.

May 2011 S&T

Astronomy & Observing News

Inside Sky & Telescope's May 2011 Issue

Sky & Telescope's May 2011 issue is now available to digital subscribers.

Occultation of Mu Geminorum Sunday, March 13th

Celestial News & Events

Watch a Star Wink Out on Sunday

On Sunday, March 13th, not long after sunset, a 3rd-magnitude star will disappear suddenly as it's covered by the dark edge of the Moon for parts of eastern North America.

Celestial News & Events

Best Mercury of 2011

Mercury's best evening apparition of 2011 for Northern Hemisphere observers takes place this March. And with Jupiter to point the way, Mercury is unusually easy to locate from March 12–18.

Tony Flanders demonstrates the Orion SpaceProbe 3 Reflector

Celestial News & Events

Video: Tips on Orion's 3-inch Altaz Reflector

If you've bought Orion's 3-inch SpaceProbe Altazimuth Reflector, or are thinking of doing so, take a look at this video for some tips on how to use the scope.

Celestial News & Events

The Four-Planet Dance of 2011

Every morning in May 2011, just before sunrise, four planets combine to form fascinating and ever-changing patterns.

Celestial News & Events

See Venus in Broad Daylight!

Monday and Tuesday, February 28th and March 1st, offer excellent opportunities to spot Venus during broad daylight with your unaided eyes.

February 15th's solar flare

Celestial News & Events

Biggest Solar Blast in 4 Years

Solar activity is indeed ramping up: the strongest solar flare in four years erupted on February 15th, dealing a glancing blow on the 18th.

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