MAS General Meetings
Our next General meeting will be on
at 8PM at the Observatory.
Public Open House
Our last open house was held on October 18th. Hope to see you next year when we'll have a new schedule of dates.
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 2025
We are pleased to announce we have established an Open House schedule for this year.
May 7, 2025, 7:30-9:30PM
June 14, 2025, 1:00-4:00PM
July 19, 2025, 1:00-4:00PM
August 8, 2025, 7:30-10:00PM
September 26, 2025, 7:00-9:00PM
October 24, 2025, 6:00-9:00PM
Click/Tap here to sign up for our email reminders of upcoming Open House nights.
Astronomy Magazine: The Sky This Week
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Stargazing Spring Sky Tour Summer Sky Tour Autumn Sky Tour |
Winter Sky Tour Constellations The Sky by Eye Star Hopping |
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Stargazing Spring Sky Tour Summer Sky Tour Autumn Sky Tour |
Winter Sky Tour Constellations The Sky by Eye Star Hopping |
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Beginner's Guide Getting Started Stellarium Asterisms Celestial Sphere Telescopes |
Using Telescope Solar System Deep Space Objects Double Stars Star Hopping Day and Time |
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Beg Guide Get Started Stellarium Asterisms Cel Sphere Telescopes |
Using Telescope Solar System DSOs Double Stars Star Hopping Day and Time |
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Beginner's Guide Getting Started Stellarium Asterisms Celestial Sphere Telescopes |
Using Telescope Solar System Deep Space Objects Double Stars Star Hopping Day and Time |
