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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Issues

August 2004

August 2004
Purchase this Issue
Subscribe today and save!
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
By Jean-Charles Cuillandre
The Canada-France-Hawaii Telescope atop Mauna Kea produces some of the most stunning astronomical images ever seen. Find out how the images are created, and experience the beauty of these celestial objects for yourself.
pg. 34
By Robert Zimmerman
More than one hundred extrasolar planets like Jupiter have been discovered, but what everyone really wants to find are "exo-Earths" orbiting other stars. Any day now, say astronomers.
pg. 42
By Bruce Dorminey
NASA's fourth and final Great Observatory, the Spitzer Space Telescope, is opening astronomers' eyes to planets, stars, nebulae, and galaxies by zeroing in on the infrared radiation they emit.
pg. 48
By Michael E. Bakich
A 1927 atlas and catalog by famed observer Edward Barnard helped astronomers discover that dark patches in the Milky Way are interstellar dust, not "holes in the sky."
pg. 70
Extreme imaging
By Lisa Johnston, John Sefick
Braving the elements and high altitude, a pair of amateur astrophotographers journeyed to the summit of Mauna Kea in pursuit of dark skies and returned with spectacular images.
pg. 80
A League of its own
By Jackie Beucher
Since 1941, the Astronomical League has been the spearhead for amateur astronomers in the United States. Take a behind-the-scenes look with the organization's executive secretary - you might be surprised at the number of areas in which the League is active.
pg. 84
Celestron's Advanced Series telescopes
By Phil Harrington
The telescopes used by amateur astronomers today are as good as they've ever been. Can these telescopes really be made any better? Celestron says yes, and after testing their newest Newtonian and Schmidt-Cassegrain models, so do we.
pg. 88
Departments
This month in Astronomy
Color imaging as good as it gets
Letters
Bob Berman's strange universe
Glenn Chaple's observing basics
The Ring Nebula and Summer Triangle
Interview
Xiaohui Fan, assistant professor of astronomy, University of Arizona
News
— Cassini: Saturn, Titan in sights
— A probe to hit the Moon
— An impact that nearly ended life
— A distant star with Sun-like activity
— Slabs of rock on Mars
The sky this month
Ask Astro
New products
— Software Bisque's "TheSky6"
— Smart Astronomy's tripod case
— FAR Laboratories' Helio Pod
— Celestron's Power Tank 17
Book reviews
— Spacecraft Films' Apollo DVDs
— The Transits of Venus
— An Introduction to the Solar System
Coming events
Advertiser index
Resources
Reader gallery
SEARCH SITE
Subscriber Only Access
Subscriber Only Content
Look for this icon. This denotes premium subscriber content. Learn more »
Become a Member of Astronomy.com
Register today for access to more valuable resource information.
Interact in our forums, comment on articles, receive our newsletter and much more!
Not a member?
Subscriber and Member Login
Password
Remember me