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

I Heart Pluto Festival | Pluto Pub Crawl

Downtown Flagstaff, Arizona

Explore Flagstaff’s finest pubs, bars, and brewhouses — in the shape of the Pluto symbol! After receiving a map of all participating destinations, you’ll be turned loose to enjoy historic […]

Free

I Heart Pluto Festival – Day 1

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 […]

I Heart Pluto Festival | VIP Tour

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

Get a star-studded VIP experience at the 2023 I Heart Pluto Festival! A VIP ticket grants single-person admission to all IHP activities, including the “Night of Discovery” event at the […]

$125

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 […]

Recurring

Meet An Astronomer

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

Every Saturday, come up to Mars Hill and meet a Lowell astronomer, planetary scientist, or researcher! Take a peek at real-time images of planets, stars, galaxies and other celestial objects […]

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 […]

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 […]