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 September 19th at 8PM at the Observatory.

Public Open House
Our next open house will be on September 16th, from 6:30 - 9:30PM. Full details here.

Our New Website!!
Be sure to look around as we continue to add to our website. Be sure to checkout becoming a member, the beginner's guide section, and the image gallery of pictures taken by our own members!

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

View the Observatory & Grounds

Open House Nights for 2022

June 18, 1:00-4:00PM

August 19, 7:30-10:00PM

September 16, 6:30-9:30PM

October 14, 6:30-9:30PM

October 28, 6:00-9:30PM

Click/Tap here to sign up for our email reminders of upcoming Open House nights.

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.