STAR PARTIES

What is a Star Party?

A Star Party is a public astronomy event held on Saturday nights, where visitors can explore the night sky through telescopes, attend planetarium shows, and learn about space.

Star Parties have been a cherished tradition since 1916, when astronomer John Stanley Plaskett first opened the observatory grounds to the public.

His goal was simple but powerful: to make astronomy accessible to everyone. That spirit continues to this day.

Black and white portrait of a man with a mustache, wearing a suit and tie, inside an oval frame.

Held on Saturday nights year-round, Star Parties invite visitors of all ages to explore the universe in an engaging, hands-on environment.

In the winter months, events run from 6:30 PM to 10:00 PM, and in the summer months from 7:30 PM to 11:00 PM.

Check our event listing for dates.

Throughout the evening, guests can enjoy a variety of astronomy-themed experiences, including:

  • Engaging talks from knowledgeable speakers on space and astronomy topics

  • A dedicated children’s program featuring presentations and guided tours

  • Planetarium shows that bring the night sky to life, even on cloudy evenings

  • Tours of the Observatory with the over 100-year-old Plaskett telescope, with viewing (weather permitting)

  • Telescope viewing (weather permitting), including the recently upgraded 16 inch telescope

  • A visit to the gift shop for space-themed souvenirs

Star Parties run rain or shine, ensuring there’s always something to discover.

With over a century of history, pausing only during World War II and the COVID-19 pandemic, Star Parties remain a cornerstone of public astronomy outreach, continuing to inspire curiosity and a sense of wonder about our place in the universe.

What's the Weather Going to be Like?

While we operate rain or shine since we’ve plenty of indoor activities, here’s the chart to forecast sky conditions on the night from cleardarksky.com

Frequently Asked Questions