Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

September 2018

ScreenShot20180828at1.45.58PM
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

Take control of a Mars orbiter

Imagine directing the highest resolution camera orbiting the Red Planet. That wish can now be a reality.

Minting a celestial memory

Coins made as far back as 400 b.c. may honor solar eclipses. The tradition continued for two millennia.

How William Huggins shaped astrophysics

In 1868, an English astronomer pioneered a way to measure the motion of stars and other objects.

An NGC primer

The most extensive list of deep-sky objects has an unusual history and offers prime-number gems for observers.

We test Vixen's HR eyepieces

These high-resolution eyepieces, specifically designed for planetary observing, minimize optical aberrations.

In Every Issue

Snapshot
Letters
New Products
Reader Gallery
Breakthrough
Astro News
Advertiser Index
ADVERTISEMENT

FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

ADVERTISEMENT
ADVERTISEMENT
Apollo_RightRail

Click here to receive a FREE e-Guide exclusively from Astronomy magazine.

Find us on Facebook