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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

March 1991

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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
Galileo's Flyby of Earth and the Moon
By Robert Burnham
It was the first interplanetary mission to explore an inhabited planet.
pg. 30
Tracking the Great White
By Alan Dyer
Last autumn the normally quiet atmosphere of Saturn was disrupted by its biggest storm in sixty years.
pg. 36
The Southern Radio Sky Comes to Light
By Gerrit L. Verschuur
An old antenna has given us a new look at the southern sky.
pg. 39
A Grand Gathering of Galaxies
By David H. Levy
Known for his discovery of Pluto, Clyde Tombaugh was also one of the first to see the universe's grandest structures - the superclusters of galaxies.
pg. 44
ASTRONOMY Sky Almanac
Exploring the Virgo Cluster
By Alan Goldstein
With a small telescope you can probe the sky's richest collection of galaxies, the Virgo cluster 50 million light years away.
pg. 70
ASTRONOMY Tests the New Generation Telescope
By Alan Dyer
The NGT-18 combines aperture and portability with an ingenious equatorial mount.
pg. 78
ASTRONOMY Tests the Obsession 20 Telescope
By Alan Dyer
The Obsession 20 sets a new standard of quality for Dobsonian telescopes.
pg. 78
The Joy of Moongazing
Rediscover the stark beauty and endless detail of our nearest neighbor in space.
pg. 84
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