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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

December 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
Building the Glass Giant of Palomar
By William J. McPeak
An eclectic mix of talented individuals saw the 200-inch Hale telescope to completion.
pg. 30
A New Member of the Family
By David J. Eicher
An icy body beyond Pluto may be a miniplanet or huge comet.
pg. 38
Ice Ages of Mars
By Jeffrey S. Kargel, Robert G. Strom
Astronomers ask if mighty glaciers and rivers once carved and scoured the surface of the Red Planet.
pg. 40
Giving Birth to Supernovae
By Andrew M. Thorpe
Any of ten nearby stars could be the next one to explode.
pg. 46
ASTRONOMY Sky Almanac
A Hubcap Full of Stars
By Peter Zaffo
You can take all-sky photos with equipment from an auto-parts store.
pg. 62
Taking Pictures with Your Telescope
By Alan Dyer
Here's how to turn your camera and telescope into a great astrophoto rig.
pg. 66
When the Moon Disappears
By Alan Dyer, Richard Talcott
The evening of December 9 heralds the best total lunar eclipse in over three years.
pg. 74
Exploring the Winter Sky
By Deborah Byrd
A multitude of bright stars and constellations makes winter evenings a great time for learning the sky.
pg. 80
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