Please ensure Javascript is enabled for purposes of website accessibility Past Events – Lowell Observatory

I Heart Pluto Festival | Unveiling the 9″ Tombaugh Telescope

Lowell Observatory, Rotunda Museum 1400 W Mars Hill Rd, Flagstaff, AZ

Witness Lowell history being made at the Rotunda Museum as the Tombaugh Telescope exhibit is unveiled! The exhibit will feature Clyde Tombaugh’s fully-functional homemade telescope, which was hand-assembled from scraps found around his family’s farm in Burdette, Kansas. Buy Tickets Now

I Heart Pluto Festival | Night of Discovery with Astronaut Nicole Stott

Orpheum Theater 15 West Aspen Avenue, Flagstaff

Enjoy a night with Astronaut Nicole Stott, a NASA astronaut, aquanaut, and space artist who creatively combines the awe and wonder of her spaceflights and undersea adventures with her artwork to inspire people around the world. After this program, Nicole will sign copies of her book, Back to Earth: What Life in Space Taught Me […]

I Heart Pluto Festival – Day 2

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

An Event 93 Years in the Making! Celebrate the anniversary of Pluto's discovery on February 18-20, 2023. Show your love at the Home of Pluto in snowy Flagstaff, Arizona, where it was discovered by Clyde Tombaugh 93 years ago on February 18, 1930. This festival will take place at Lowell Observatory with special events throughout […]

I Heart Pluto Festival – Day 3

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

An Event 93 Years in the Making! Celebrate the anniversary of Pluto's discovery on February 18-20, 2023. Show your love at the Home of Pluto in snowy Flagstaff, Arizona, where it was discovered by Clyde Tombaugh 93 years ago on February 18, 1930. This festival will take place at Lowell Observatory with special events throughout […]

Stargazing Tour at High Country Motor Lodge

High Country Motor Lodge 1000 W Rte 66, Flagstaff, AZ

Explore the universe with astronomers from Lowell Observatory at High Country Motor Lodge, the hottest new destination for food, drinks, and lodging in Flagstaff! View constellations, star clusters, galaxies, the Moon, and more through a portable telescope. Admission is free and open to the public. We'll see you there!

Free

High Country Motor Lodge Star Party

High Country Motor Lodge 1000 W Rte 66, Flagstaff, AZ

Enjoy an evening of stargazing at High Country Motor Lodge! On Friday, February 24, two Lowell Educators will be at the Lodge with two portable 12" Dobsonian telescopes (weather permitting). See planets, stars, and other objects —and don't forget to ask plenty of questions! This event is free and open to the public.

Free

Messier Marathon | International Star Party | March 18-19, 2023

YouTube

The Messier Marathon is upon us! Join Lowell Observatory for an all-night virtual star party, during which we'll hunt for all 110 objects in Charles Messier's famous catalog. These are among the most prominent deep-sky objects visible in the night sky, including a variety of star clusters, nebulae, and galaxies. We'll broadcast live from the […]

Free