October 1976

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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

Radio Interferometry: Stretching Radio Telescope Peformance

By Robert Sheaffer

pg. 6

Radio Photographs

By Gerrit L. Verschuur

pg. 14

Close-up on Jupiter's Moons

By Eric Burgess

pg. 18

Searching for Mars on Earth

By William K. Hartmann

pg. 20

Equipment Atlas

By Richard Berry

Star-Test Your Telescope

pg. 27

Stellar Frontiers

By Michael Zeilik

Birthplaces of Stars

pg. 31

Sky Almanac

Orionids and Other Objects

pg. 35

Gazer's Gazette

By Richard Berry

Look North for Aurorae

pg. 43

In Focus

pg. 46

Astronomy Reviews

pg. 47

Photography in Astronomy

By Richard Berry

City Astrophotography

pg. 50

Astro-News

pg. 57

Astro-Mart

pg. 63

Planet Finder - October 1976

pg. 68

October Star Dome

By James Mullaney, Henry J. Phillips

pg. 73

Close-Up on the Piscis Austrinus/Grus Region

pg. 75

	Sun	Sun	Moon
RISE	—		—	PHASE	—
SET	—		—	DISK	—

	Mercury	Mercury	Venus	Venus
RISE	—		—
SET	—		—
		—		—

	Mars	Mars	Jupiter	Jupiter	Saturn	Saturn
RISE	—		—		—
SET	—		—		—
		—		—		—