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!!!

Public Open House
Our first open house of 2020 was scheduled for May 1st, but it may be cancelled due to the evolving covid-19 situation. Please check back later.

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, 7:30-10:30PM

May 29, 8:00-11:00PM

June 20, 1:00-4:00PM

September 11, 6:30-9:30PM

October 9, 6:00-9:00PM

October 30, 6:00-9:00PM

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.