Star Party at Yerkes Observatory

Join us for Yerkes’ Inaugural Star Party on the lawn!

We are excited to host our first event of the year! This rain or shine event will take place March 17th from 6:30-9:30 PM. There will be an array of activities including telescopes on the South lawn, a Messier Marathon, a Space Radio live broadcast, and educational activities for you and your family!

Tickets for this event cost $10 and are available online only. Reservations are required. There will not be parking onsite at the Observatory. Ticket holders must park at Williams Bay School and board an accessible trolley that will run a continuous shuttle between the school and observatory during the Star Party. Only ticket holders will be admitted on the trolleys. To reserve tickets, click here.

Participating Groups

The Geneva Lakes Astronomical Society (GLAS), is committed to a mission of service to provide inclusive STEM experiences for individual, local, and global good through innovative educational programs that are anchored in a vibrant multigenerational community and make the world a better place through unprecedented engagement in astronomy and STEM. For more information, visit  

The Milwaukee Astronomical Society (MAS) is composed of over 250 individuals of various backgrounds, ages, education, and occupations. What they all have in common is astronomy and their love of it, from beginners to advanced amateurs, from casual observing to scientific research, and everything in between. For more information, visit

iRoc Space Radio is your Go To Place in the Galaxy for Space News, Culture, Entertainment and Music. For more information, visit 

Space Case Sarah hosts “The Space Case Sarah Show” on iRoc Space Radio. When not nerding out about all things space, Sarah is a science writer for Blue Marble Space Institute of Science, lead production assistant for NASA’s “Ask an Astrobiologist”, a NASA/JPL Solar System Ambassador, Sidewalk Astronomer, Analog Astronaut, Graduate Student at UW-Whitewater, and Mom extraordinaire. For more information, visit 

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