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
All MAS meetings at the Observatory are CANCELED!!!
We still have meetings, but the are for Our members and done via Zoom video.

Public Open House
Due to the COVID-19 situation, all Public Nights at the observatory for 2020 have been canceled. We look forward to 2021 when we all hope things will be back closer to normal. 

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

View the Observatory & Grounds

Open House Nights for 2020

May 1, Canceled

May 29, Canceled

June 20, Canceled

September 11, Canceled

October 9, Canceled

October 30, Canceled

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.