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 November 20th at 8PM at the Observatory.

Public Open House
Our last open house was held on October 20th. Hope to see you next year when we'll have a new schedule of dates. 

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 2023

Sadly, our public night season is over. We have not yet established an Open House schedule for next year. Check back as the schedule will be posted by March.

May 12, 2023, 7:30-10:00PM

June 17, 2023, 1:00-4:00PM

July 15, 2023, 1:00-4:00PM

August 18, 2023, 7:30-10:00PM

September 22, 2023, 6:30-9:30PM

October 20, 2023, 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

A sampling of astronomical images taken by members of the MAS, and all of them taken with our observatory equipment. See many more images by our members in our Showcase pages. Curently over 1300 images!

MAS Gift Membership
Consider giving someone the gift of membership to the Milwaukee Astronomical Society. Click/tap here for more info.