41–60 of 91 results
Improving signal/Noise

Imaging Foundations with Richard Wright

Astrophotography: Stacking Up Your Signal

The secret to stacking images in astrophotography is increasing signal rather than just increasing the number of exposures.

Noise to clean

Imaging Foundations with Richard Wright

An Astrophotographer's Gentle Introduction to Noise

You don't need a PhD to understand noise in astronomical images — here's an introduction to the various sources of noise in astrophotography and how to combat them.

Imaging Foundations with Richard Wright

PixInsight vs Photoshop: Which is Better for Astrophotography?

Is it possible to settle the PixInsight vs. Photoshop debate once and for all? Yes: Learn both and gain the skills you need to make better astrophotos!

People, Places, and Events

Live Webinar: How to Chase and Photograph Auroras

Want to learn how to take stunning photos of dazzling Aurora? Join Sky & Telescope's live webinar on Monday, March 5th, with National Geographic photographer and founder of The World at Night (TWAN) program Babak Tafreshi  as he reveals his techniques for capturing stunning images and time-lapse videos of both…

Imaging Foundations with Richard Wright

How to Capture the Clearest Astro Images

Capturing crystal-clear astro images involves a delicate balance of having just enough pixels for the object you're imaging. But you don't need a PhD to understand the sampling theory that's involved.

Astrophotography: Tips & Techniques

Online Webinar: 2018 Nightscape Photography Guide

Join Sky & Telescope's live webinar on Monday, January 29th, to find out which 2018 events present the best nightscape opportunities with world-renowned photographer Babak Tafreshi.

Imaging Foundations with Richard Wright

Framing Your Astro Images: Understanding Field of View and Pixel Scale

Knowing your astrophotography setup's pixel scale will help you take better pictures. And to determine pixel scale, you first need to know your field of view.

Seeing vs. Transparency

Imaging Foundations with Richard Wright

Seeing vs. Transparency: What's the Difference?

Good weather for imaging is about more than just the clouds! Even if it's cloud-free, you'll need to understand if the seeing and transparency are good.

Smartphone-telescope bracket


Use Your Smartphone to Shoot a Solar Eclipse

If you can't resist taking pictures of the solar eclipse with your smartphone, read this first for tips to ensure quality pictures.

Diamond Ring

Celestial Objects to Observe

Tips for Photographing a Total Solar Eclipse

A total eclipse of the Sun is a spectacular sight. With a little preparation and advance planning, you can capture your own souvenir portrait of this awe-inspiring sight.

Astrophotography: Tips & Techniques

Eclipse Photography: Framing the Eclipse

Here are several ideas for photographers to use when shooting the August 21st eclipse

Astrophotography: Tips & Techniques

Babak Tafreshi Webinar: Time-Lapse Astrophotography

Join S&T's live webinar to learn the secrets of how to take awe-inspiring time-lapse videos of the Earth and sky at night.

Smartphone polar alignment

Astrophotography: Tips & Techniques

Daylight Polar Alignment Made Easy

Try this easy technique to roughly polar-align your telescope mount during the day using your smartphone and a planetarium app.

Astrophotography with Jerry Lodriguss

How to Remove Light Pollution from Your Astro Images

Find out how to remove light pollution from your astrophotos so you can have dark skies instead of red-brown ones.

Astrophotography with Jerry Lodriguss

How to White Balance Your Astrophotos

You'll capture the night sky as it truly looks when you learn how to establish a proper white balance in your DSLR astrophotos.

Astrophotography: Tips & Techniques

Removing Purple Star Halos

Purple halos around stars can be a problem when shooting with inexpensive camera lenses and telescopes. Here's how to fix them.

Astrophotography with Jerry Lodriguss

Why and How to Dither Your Astro Images

In astrophotography, to dither means to shift the pointing of the telescope slightly in random directions between exposures. Here's how it works, and why you should use it.

Start taming the cable monster

Astrophotography: Tips & Techniques

Astrophotography: Cable Management

The art of astrophotography can quickly turn into the art of cable management. Learn how to tame the cable monster and get back to photographing the night sky.

Astrophotography with Jerry Lodriguss

Astrophotography: The Benefits of Dark Skies

Can you shoot deep-sky objects from your backyard? That depends - how much time do you have?

Veil Nebula - stacked images

Astrophotography with Jerry Lodriguss

Astrophotography: Of Signals and Noise

You can't get rid of noise in your astrophotographs, but you can reduce its impact with more signal.