Explore the Campus

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Giovale Open Deck Observatory

Explore the cosmos for yourself with this collection of six advanced telescopes.

All Ages

Included with Admission

Great For

  • All Ages

Starry night sky with Milky Way and shooting star over horizon.

Experience the Cutting Edge of Stargazing Technology

The Open Deck Observatory at Lowell Observatory features one of the finest collections of telescopes for public observing, making it a premier destination for stargazing in Flagstaff. This public observing plaza is home to six advanced telescopes, offering breathtaking views of celestial objects under the dark skies of Arizona. Explore rich star fields, colorful planets, and detailed nebulae and galaxies, all made vivid by Flagstaff’s internationally recognized dark skies.

Discoveries to Be Made, Day or Night

Beyond nighttime stargazing, the Open Deck Observatory offers engaging daytime exhibits on the science of spectroscopy, the types of telescopes astronomers use, and essential tips for preserving dark skies in Arizona. The observatory also features a unique solar alignment display, where six plinths along the plaza mark the positions of the Sun during sunrise and sunset on the equinoxes and solstices.

Classes & Excursions

2 Hours

Lowell Observatory gate under starry night sky with visible constellations.

Stop struggling and start exploring with a hands-on portable telescope class!

Classes & Excursions

2 Hours

Lowell Observatory gate under starry night sky with visible constellations.

An Intensive, Hands-On Introduction to Astrophotography

Most Tuesday Evenings

Public Telescopes

Varies

Lowell Observatory gate under starry night sky with visible constellations.

Six Powerful Telescopes. One Extraordinary Night Sky Experience.

Public Telescopes

Varies

Lowell Observatory gate under starry night sky with visible constellations.

Live Solar Viewing Through a Filtered Telescope