Magazine | Page 10 of 283 | Astronomy.com

Autoguiding can take your astrophotography to the next level, as exemplified in this 6.5-hour exposure of the Trifid Nebula (M20). Here, the nebulosity stands out in all its glory among perfect, round stars. The author took this shot with a 10-inch f/3.8 Newtonian and Atik 16200 CCD.

Telescopes and Equipment

How to use an autoguider for the best astrophotos

How can a black hole pull light into itself if a photon is massless?

The Southern Ring Nebula (NGC 3132) was one of James Webb Space Telescope’s first targets after launching summer of 2022. Using the available data and processing software, anyone can create their own unique image.

Astrophotography

How to process JWST images like a pro

The majestic crown of the active Sun reveals itself with countless streamers, as imaged through high, thin clouds from Torreón, Mexico.

2024 Solar Eclipse, The Sun

A look back: The Great North American Eclipse delivers

NGC 253 in Sculptor

Astronomy for beginners, Observing

What do NGC numbers mean?

Telescopes and Equipment

Fall into new astronomy products this month

The author took this digital color image of the Andromeda Galaxy and its two main satellites with a 5-inch apochromatic refractor, Canon R mirrorless camera, and IDAS LPS 4 filter. The total exposure time was 18 minutes at ISO 4000.

Get to know the Andromeda Galaxy

Saturn at Opposition at Waterton Lakes

September 2024: What’s in the sky this month?

How is TESS able to spot more planets in the sky than Kepler could?

My first image of the Lagoon Nebula (M8) was effectively zoomed in so far that the object looked nothing like a lagoon. It was taken with a Nikon D3100 on my Celestron 8-inch SCT, with an exposure time of 30 seconds at ISO 3200.

Astrophotography, Observing Basics

How to choose the right focal length for your astrophotos

This 1874 lithograph was created by Étienne Léopold Trouvelot with the 15-inch refractor at the Harvard College Observatory, for the purpose of measuring the nebula’s extent. A glass plate with dark black lines was placed on the focus of the telescope for marking placement. No wonder it shows no central star.

Looking inside the Ring Nebula

Telescopes and Equipment

DwarfLab’s new tiny smart scope packs a punch