Observing | Page 5 of 71 | Astronomy.com

A telescope and the darkening sky

Astronomy for beginners, Observing

Learn the difference between common astronomical terms

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

Universe, Discovered

Universe, Discovered: Comet Tsuchinshan-ATLAS still a naked eye object — barely

Universe, Discovered

Universe, Discovered: Hera launches to asteroid crash scene

Jupiter in Taurus

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

Mars globe showing Valles Marineris

The Sky This Week from November 1 to 8: Valles Marineris comes into view

How Yerkes Observatory started over

Universe, Discovered

Universe, Discovered: Comet Tsuchinshan-ATLAS fades

Callisto and Jupiter

The Sky This Week from October 25 to November 1: Callisto slips south of Jupiter

Can you still see Comet Tsuchinshan-ATLAS?

The Orionid meteor shower: This Week in Astronomy with Dave Eicher

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