Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

April 1994

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The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level. 
Features
Exploring Small Volcanos on Mars
By Mark S. Robinson
Olympus Mons may get the headlines, but the smaller Martian volcanos are beginning to speak to scientists about the history of the Red Planet.
pg. 30
Here's Looking at Ida
By Robert Burnham
When the Galileo spacecraft flew past the asteroid Ida, it discovered a magnetic field and some other surprises.
pg. 38
An Infrared View of Our Universe
By Ian Gatley
Sophisticated new detectors reveal stunning details in familiar galaxies and nebulae.
pg. 40
Hubble Better Than New
By Dave Bruning
The verdict is in, and Hubble's vision is sharper than anyone dared hope.
pg. 44
Sky Almanac
By Deborah Byrd, Rick Shaffer
Spy a razor-thin crescent Moon on the evening of April 11, then watch the next night as a slightly fatter crescent Moon passes Venus.
pg. 50
High-Impact Astrophotography
By Mark J. Coco
Here's how to capture fine details in your planetary photos.
pg. 64
November's Colorful Eclipse
By Dave Bruning
Observers noted a wide range of colors on the face of last November's eclipsed Moon.
pg. 68
Jupiter's Magnificent Show
By Jose Olivarez
Backyard astronomers will love observing Jupiter's active atmosphere as they prepare for the impact of Comet Shoemaker-Levy 9 in July.
pg. 74
Hats, Hockey Sticks, and Humpbacks
By Kenneth Hewitt-White
The spring sky will show you that not all edge-on galaxies look alike.
pg. 80
Departments
Behind the Scenes
Getting Ready for Comet Shoemaker-Levy 9
Letters
Viewpoints
My Field of Dreams, an interview with comet hunter David H. Levy
AstroNews
- Simulating the Impact of Comet
Shoemaker-Levy 9
- COBE Shuts Down
- Galaxy Cluster Caught in Act of Forming
- Probing the Universe from the Ocean Floor
- Galileo Finds Life on Earth
- Protostar Found in Ophiuchus?
Amateur News
- Astronomy Day Turns 21
- Near-Earth Asteroid Project
Reader Reports
Photographing the Summer Milky Way
Astronomy Books
New books include a beginner's guide to amateur astronomy and biographies of two pioneering astronomers, Bart Bok and George Ritchey
New Products
- Moon Observer's Planner
- Color Filter Wheel for Astrophotography
- Meteorite Collecting Kit
- Spotting Scopes from Optolyth
AstroBytes
Hidden Image uncovers details in your astro-images
Readings and Credits
Meetings and Events
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