Milwaukee Astronomical Society

Milwaukee Astronomical Society

Astronomy is our hobby! Dedicated to the fun of astronomy at all levels from beginner to expert, casual viewing to scientific research. We welcome everyone interested in astronomy. Find out more about us.

MAS General Meetings
Our next General meeting will be on February 21st at 8PM at the Observatory.

Public Open House
Sorry, there are no more open houses in 2019 due to winter. We will have a new season next year starting in late April / early May.

MAS Observatory occupies 3 acres at 18850 W Observatory Rd in New Berlin, WI  53146

View the Observatory & Grounds

Open House Nights for 2020

At this time we have not established our open house schedule for this year. Please check back in the coming months for the dates.

Our first public night occurs in late April or May.

For sky updates:

S&T: This Weeks Sky At A Glance

Astronomy Magazine: The Sky This Week

Just a very small sampling of wonderful astronomical images taken by members of the MAS! See many more in our Showcase page.

MAS Observatory panorama at dusk.