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Hot vs. Cold

Astrophotography: Tips & Techniques

Beating the Heat in Astrophotography

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

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. Here you'll find Digitized Sky Survey images for the remaining objects for which deeper finders weren't included…

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's Up at Star Parties?

Three-year-old Zachary Milton of San Bernadino, California, enjoys a view of the filtered Sun through the Riverside Astronomical Society's 7-inch Meade (manned by club member Ralph Merletti) at the Riverside Telescope Makers Conference in May 1997. Sky & Telescope photo by Rick Fienberg When amateur astronomers and their families plan…

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

Imaging Foundations with Richard Wright

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.

Community Leaders: Notable 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

Imaging Foundations with Richard Wright

How Focal Ratio Affects Your Astro Images

Understand focal ratio to improve your astrophotography.

Beyond the Printed Page

Finders for "Southerly Planetary Nebulae"

Find close-up finders for 16 targets covered in Don Ferguson's observing article in the June 2021 issue of Sky & Telescope.

Luminance image of M81 and M82

Imaging Foundations with Richard Wright

Tips for Imaging Galaxies from Your Backyard

You don't need a dark-sky location to shoot galaxies — you can capture them from your backyard with these tips.

Reflected starlight

Community Leaders: Notable Astronomers

Giorgia Hofer, Nightscape Astrophotographer

An Italian accountant, captivated by the sky since childhood, learned astrophotography to bring the heavens home with her.

Daytime planet fest

Celestial Objects to Observe

Planets and Comets Can't Hide from SOHO's Eye

With the help of the Solar Heliospheric Observatory you can not only keep track of the planets in the daytime sky but maybe even discover a comet.

Imaging Foundations with Richard Wright

In Astrophotography, Bigger Is Not Always Better!

Don't be intimidated by astrophotography equipment — modest equipment can do great things.

Imaging Foundations with Richard Wright

A Free Tool for Lucky Imaging

Check out this free astrophotography software package that'll make processing your lucky images — especially of the Sun and Moon — a snap.

SkyWatch 2021

Stargazing Basics

SkyWatch 2021 — Four Seasons Under the Stars

SkyWatch is back! Whether you're new to astronomy or a seasoned practitioner, SkyWatch 2021 has something for everyone.

Closeup of a modern high speed camera

Astrophotography: Tips & Techniques

Two Ways to Use Video for Astrophotography

Use high-speed cameras to capture spectacular live views of galaxies and high-res images of the Moon and planets.

Community Leaders: Notable Astronomers

Dara Norman, Astronomer and Astronomy-Enabler

After delving into the connection between quasars and gravitational lensing, Dara Norman pivoted to paving the way for astronomers to do the work they love.

Raw vs. Polished Image

Astrophotography: Tips & Techniques

Astro-Imaging: The Truth about Raw Data

What "comes off the camera" is remarkably different in astrophotography than most photographers expect coming from a digital camera experience.

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