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.

COVID-19: The Milwaukee Astronomical Society follows the CDC Guidance in all our activities.

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!

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

Lunar Eclipse Phase Collage
There will be a total lunar eclipse visable from almost all the country starting at 9:27PM on Sunday night, May 15th with totality starting at 10:29PM. The eclipse ends at 12:55AM. Click/tap here to get detailed information.

MAS Observatory panorama at dusk.