24" Clark Refractor Telescope
Discover the universe with the same telescope that inspired Percival Lowell to search for life on Mars, revealed the expanding universe, and gave Apollo astronauts early views of the Moon.
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See what fun adventures await during your visit.
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General Admission
General Admission
General Admission gives you all-day access to 127 years of astronomical discovery at Lowell Observatory.
General Admission
Premium Access
Premium Access
Designed for small groups of 10 individuals, these private personalized expeditions across the stars offer exclusive opportunities to view the cosmos.
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Lowell Discovery Telescope Experience
This exclusive guided experience is an unforgettable behind-the-scenes look at the 4.3-meter Lowell Discovery Telescope, the 5th-largest optical telescope in the continental United States.
Tickets include general admission to our Mars Hill campus in Flagstaff.
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Astrophotography Course
Take the first step in your astrophotography journey with an intensive course at Lowell Observatory!
This 2-hour program accommodates a maximum of 10 guests. Using our 17-inch Planewave CDK Telescope and QSI 683 CCD camera, you will be taken through the process of imaging two different objects. Then, we will teach you how to combine, stack, and edit the shots into full-color images using a program called Pixinsight.
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Areas of Research
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Solar System
Planetary scientists continue a long tradition of studying bodies in the solar system, including the Sun, planets, moons, comets, meteors, asteroids, and Kuiper belt objects.
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Stellar Astrophysics
Another longstanding tradition at Lowell is the study of stars, from supermassive Wolf-Rayet stars to low-mass M-dwarf varieties.
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Exoplanetary Systems
Lowell astronomers search for distant worlds around other stars and characterize their nature.
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Galactic & Extragalactic Astronomy
V. M. Slipher’s observations of the redshifts of galaxies a century ago were the first evidence for the expansion of the universe. Research on structures of galaxies and of the universe continues at Lowell today.
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Cultural Astronomy
Researchers not only study how the universe works, but also how humans perceive it and integrate these interpretations into culture.
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Instrumentation Research & Development
Our instrumentation team carries out a variety of work in support of research instrumentation, outreach telescopes, and historic preservation projects.
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