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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

September 1992

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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
Mars Observer: Return to the Red Planet
By Diane Ainsworth
This month the United States launches its first probe to Mars in 17 years.
pg. 28
The Huntsman Nebula
By David Allen, Vikki Meadows
Infrared cameras reveal a gigantic nebula hiding in the southern sky.
pg. 38
Where Has Pluto's Family Gone?
By Alan S. Stern
Hundreds of icy planets may have riddled the solar system.
pg. 40
ASTRONOMY Sky Almanac
Hop into Deep-Sky Observing
By Marcel W. Bergman
Trouble finding the Andromeda Galaxy? It's a breeze once you know how to hop through the stars.
pg. 60
Hunting Down the Helix
By Phil Harrington
The constellation Aquarius holds the autumn sky's finest planetary nebula.
pg. 66
Exploring the Autumn Sky
By Deborah Byrd
To discover the autumn constellations, take this tour from Capricornus to Andromeda.
pg. 72
Getting the Exposure Right
By Alan Dyer
Not too dark and not too bright. Here are simple tips for getting your astrophotos exposed just right.
pg. 78
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