31 results
True double samples

Astronomy and Stargazing Projects

See Summer's Best Naked-Eye Double Stars

Not every set of closely paired stars requires binoculars or a telescope to "split". Here's a guide to summertime doubles you can tackle with your eyes alone.

Pro-Am Collaboration

A Star Count for Everyone

Take part in this year's Great World Wide Star Count, and you'll be joining thousands of other "citizen scientists" in raising dark-sky awareness around the globe.

Pro-Am Collaboration

Join the "Target Asteroids!" Project

If you're an amateur observer with decent equipment and an itch to do some serious observing, a team from the OSIRIS-REx mission wants to hear from you!

Star Wheel

Learning About the Sky

How to Make a Star Wheel the Simple Way

Would you like to be able to navigate your way around the night sky with confidence? Using this simple, easy-to-make Star Wheel, you can "dial the sky" for any time or date.

Stargazing Basics

Make a Star Clock!

A quick download, some scissors, and a paper fastener are all it takes to use the stars to tell time.

Stargazing Basics

How to Make a Sundial the Simple Way

Sundials are amazingly simple yet effective devices. They range from sticks planted in the ground to precision-machined marvels costing thousands of dollars. The design shown here can be constructed in minutes from materials lying around your house, but it's surprisingly accurate.

sunlight twice reflected

Space Satellites

How to Catch an Iridium Flare

These communications satellites can briefly outshine Venus as they spray the ground with reflected sunlight.

M31

Celestial Objects to Observe

111 Deep Sky Wonders for Light-Polluted Skies

Bright skies aren't empty skies. See for yourself how many treasures lie hidden in the glow of a city sky.

M100

Deep Sky

Observing Galaxies: Spiral, Elliptical, and Irregular

Trained eyes and clear, dark skies can open up a new dimension in deep-sky observing.

Astronomy and Stargazing Projects

Nova Hunters

Few observers have spotted an ever-elusive "new" star. Fewer still have done it twice. Observing styles and techniques are as varied as the searchers themselves.

Crescent Moon and Venus at sunset

Celestial Objects to Observe

Seeking Thin Crescent Moons

Here are some tips for hunting one of nature's most captivating sights.

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