21–40 of 494 results

Famous and Noteworthy Astronomers

Tim Russ: Actor, Director, and Amateur Astronomer

Tim Russ is best known for his role as Tuvok on Star Trek: Voyager, but his affinity for space goes further than that — he's an amateur astronomer, too.

Long focal length telescopes

Imaging Foundations with Richard Wright

Long Focal Length Telescopes for Astrophotography

Long focal length scopes are usually discouraged for beginner deep sky astrophotography, but solar system imagers need that extra focal length reach.

Sky tracker and deep sky image

Imaging Foundations with Richard Wright

Getting Started in Deep-Sky Astrophotography

Shopping for gear to get started in astrophotography? Here's some sage advice before you max out all your credit cards.

Waterfall nightscape by Kerry-Ann Lecky Hepburn

Famous and Noteworthy Astronomers

Kerry-Ann Lecky Hepburn: Meteorologist, Pilot, Astrophotographer

Meteorologist and pilot by day, astrophotographer by night: Kerry-Ann Lecky Hepburn shares her pursuit and passion for the hobby.

Aurora over a lodge

Auroras

How to Photograph the Northern Lights

Follow these tips to help capture auroral displays.

Most distant quasar

Astronomy Questions & Answers

What Is a Quasar?

A quasar is a supermassive black hole gorging on gas in the heart of a distant galaxy.

Image of Jupiter, Saturn, and Mars

Imaging Foundations with Richard Wright

Getting Started in Planetary Imaging

It's planet season! Here are some tips to help you start imaging the giant planets while they're in easy view.

Carolyn Shoemaker

People, Places, and Events

Remembering Carolyn Shoemaker (1929–2021)

Shoemaker discovered more than 800 asteroids and 32 comets, including one of the most famous comets of the 20th century.

Camera and Milky Way

Imaging Foundations with Richard Wright

Astrophotography: How Long Can You Go?

While many astrophotographers follow the "rule of 500" (or 300), some experimentation can help find the right exposure time for your setup.

Hot vs. Cold

Imaging Foundations with Richard Wright

Beating the Heat in Astrophotography

Keeping your camera cool is an essential element to obtaining good clean images in astrophotography.

Science-based Q&A

How Many Planets Are In Our Solar System?

There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Finder for Berkeley 29

Beyond the Printed Page

Finder Charts for "Meet the Neighbors" in the October 2021 issue

If you read Steve Gottlieb's article in the October 2021 issue of Sky & Telescope entitled "Meet the Neighbors: The Sagittarius Dwarf Spheroidal Family," you likely followed the link for more finder charts. We include an updated finder chart (that appears on page 28) with a revised position for Wray…

Finder for Going Deep October 2021

Beyond the Printed Page

Going Deep October 2021: Finder Charts for Arp Galaxies

Use these finders to locate the Arp targets discussed in the Going Deep column in the October 2021 issue.

Familiar analog

Stargazing Basics

Stargazing Forecast: Will You Have Clear Skies Tonight?

These websites and apps can help you forecast the astronomical observing conditions for your next night out.

Astronomy Questions & Answers

What Is a Star Party, and Where Can I Find One?

Texas Star Party upper field, 2009.Ron Ronhaar and Todd Hargis If you're an amateur astronomer and planning a vacation for your family, consider planning a vacation around a star party. Deep-sky star parties — as opposed to more traditional, general-interest conventions — have become a permanent part of the amateur…

handkerchief flats

Astrophotography: Tips & Techniques

Demystifying Flat-Frame Calibration

Many astrophotographers skip flat fields because they seem complicated. But the flats can greatly improve your images — here's how to do them.

Pattern noise in an image

Imaging Foundations with Richard Wright

Dark Frames and Bias Frames Demystified

The road to clean, easy-to-process data begins with proper image calibration, and the first step is to take dark and bias calibration frames.

Top of the World

Astrophotography: Tips & Techniques

Astrophotography On The Go: When Failure Is Not An Option

Anytime you travel beyond your own backyard to do astrophotography, the whole endeavor can be lost because of one missing link in the chain. Here's what to remember.

Famous and Noteworthy Astronomers

George Carruthers: Telescope Maker and Lunar Pioneer

Astronomer and engineer George Carruthers (1939–2020) designed and built the first observatory on another world.

image brightness change example

Astrophotography: Tips & Techniques

How Focal Ratio Affects Your Astro Images

Understand focal ratio to improve your astrophotography.