321–340 of 521 results

Resources and Education

Grazing Occultation of Bright Star During Tonight's Lunar Eclipse

Observers watching the eclipsed Moon with binoculars in northeastern North America on March 3, 2007, wiill see a 5th-magnitude star wink out.

Resources and Education

Let's Go Stargazing!

Astronomy doesn’t have to be hard! We've assembled articles for stargazers of all ages — in clear, easy-to-understand language.

Stargazing Basics

Constellation Names and Abbreviations

Here's all the essential information about the 88 constellations.

Stargazing Basics

The Greek Alphabet

Here's a handy guide to the Greek letters that are used on star charts.

Resources and Education

Equipment & Telescope Making Links

Affordable Astronomy Equipment Reviews Antique Telescope Society Astromart AstronomyBoy.com Astronomy Ratings and Info Berthold Hamburger's ATM Page Camera Obscuras Cookbook Camera Home Page Frequently Asked Questions of the ATM Mailing List How to Build a Dobsonian Telescope Lin Robertson's Build Your Own Dobsonian Telescope Mike Weasner's Meade ETX Page NexStar…

Collimate Newtonian Reflector

Stargazing Basics

How to Align Your Newtonian Reflector Telescope

Accurate optical alignment is neither difficult, mysterious, nor time-consuming. In fact, it's only three steps away.

foam-pad dew shield

Resources and Education

Dealing With Dew: Dew Heaters, Dew Shields and More

How to keep your optics dry and clear even on the dampest, dewiest nights.

ready for the stars

Stargazing Basics

The Observatories of Sky & Telescope

The backyard observatories of our editorial staff run the gamut from the elegantly simple to the luxuriously complete.

dome sweet dome

Stargazing Basics

Our Stairway to the Stars

Ever since we first became serious about astronomy more than 20 years ago, we dreamed of having our own backyard observatory.

di Cicco Observatory

Stargazing Basics

Think Big (and Small)

My current observatory is a multilevel structure. It began as a plan to mount my telescopes on the roof of a small barn on the property.

warm air from mirror

Stargazing Basics

How to Successfully Beat Atmospheric Seeing

"Seeing" — the atmospheric quivering that fuzzes out high-power views — is the bane of every telescope user. Here's how to minimize its impact.

M31

Save Dark Skies

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.

Save Dark Skies

Good-Neighbor Outdoor Lighting (Flyer)

This flyer (which can also be printed as a PDF) tells you everything you and your neighbors need to know about how to address light pollution in your neighborhood.

astrophotography

Astrophotography: Tips & Techniques

Guiding a Telescope for Imaging Like a Pro

Taking deep-sky pictures requires a skill that's involved in no other kind of photography: guiding on a star.

A Real Mover

Stargazing Basics

Astronomy for Beginners: Getting Started in Astronomy

An easy guide to exploring the universe is just a quick download away. This PDF document contains valuable tips for beginner stargazers, a detailed Moon map, and six bimonthly star charts for either the Northern or Southern Hemisphere.

Two types of antique street light fixtures

Save Dark Skies

Lighting 101

A primer on light-pollution jargon

Orion Nebula

Stargazing Basics

Fuzzies in Your Future:
An Introduction to Deep-Sky Objects

Ready to voyage beyond the Solar System? Here's what you can see.

Harsh lights in residential neighborhood

Save Dark Skies

Your Home Lighting Guide

How to light your home safely, save energy, and decrease light polluion at the same time.

Bright street light at night in winter

Save Dark Skies

Bright Lights, Big Problems

In the war against light pollution astronomers have gained important new allies -- and new insights into how we see at night.

Spectral types of stars

Stargazing Basics

The Spectral Types of Stars

Without its spectral type, a star is a meaningless dot of light.