Magazine | Page 7 of 281 | Astronomy.com

A double rainbow seen from Saguaro National Park in Tucson, Arizona, features a bright primary and a faint secondary as a companion. In the foreground are giant saguaro cacti.

Explore the science of rainbows

emission nebula NGC 7822

Astrophotography

How are long-exposure astrophotos made?

The Sun is the center of the solar system and provides the energy that makes life on our planet Earth possible. This image, taken by NASA’s Solar Dynamics Observatory across several wavelengths in the extreme ultraviolet part of the spectrum, shows a massive solar flare (lower right) accompanied by a large eruption of material.

Solar System, Stars

Bringing the Sun to light

Jupiter in Taurus

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

The author captured the Rosette Nebula under Bortle 2 skies with a ZWO ASI2600MC Pro camera on an Astro-Tech 72ED refractor atop an iOptron CEM40 mount. This image comprises 104 three-minute exposures.

Astrophotography, Telescopes and Equipment

Finding your first astroimaging rig

Astronomy for beginners, Astrophotography, Observing Basics, Solar System

Beginner’s guide: How to photograph comets

A participant at the Kitt Peak Observatory Night Observing Program examines the glittering night sky with binoculars.

Telescopes and Equipment

Astronomy’s 14th annual star products

The Blue Snowball Nebula

Deep-Sky Objects, Observing

Will my telescope show color when viewing deep-sky objects?

NGC 7000 and Morehouse's Black Ring

Deep-Sky Objects

How we found Morehouse’s Black Ring: A dark nebula hiding in plain sight

This shot of the Pleiades (M45) — which comprises two hours of integration time taken with a 10-inch scope, Atik 16200 CCD, and Starizona’s Nexus 0.75x Newtonian Focal Reducer/Coma Corrector — displays sharp details out to the edges.

Telescopes and Equipment

Why Starizona’s Nexus coma corrector wows

Cassini image of Saturn

How long will Saturn’s rings last before they disappear?

At a distance of 12 million light-years and around 105,000 light-years across, NGC 253’s angular length is close to the diameter of the Full Moon.

Deep-Sky Objects

Observe the galaxies of Sculptor