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
We continue to operate normally for members only following CDC guidelines both in person and virtually.

Public Open House
Check back in March when we post the 2022 Open House dates or click HERE to join signup for Astronomy News and get notified via email.

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!

Membership Information
Focal Point Newsletter
Meetings & Calendar
Public Observing Night Schedule
Observatory Map & Directions
Signup for Astronomy News

Membership Info
Focal Point Newsletter
Meetings & Calendar
Public Observing Schedule
Observatory Map/Directions
Signup for Astro News

Membership Information
Focal Point Newsletter
Meetings & Calendar
Public Observing Night Schedule
Observatory Map & Directions
Signup for Astronomy News

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

View the Observatory & Grounds

Open House Nights for 2021

October 1, 6:30-9:30PM

October 29, 6:00-9:00PM

Our shortened Open House season is over for 2021. We hope to have full schedule in 2022. 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.