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.

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MAS General Meetings
Our next General meeting will be on May 19th at 8PM at the Observatory.

Public Open House
Our first Open House night will be on May 26th at 8:00PM.

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Public Viewing Nights

Open House Nights for 2017

May 26, 8:00-11:00PM

June 17, 4:00-8:00PM

August 11, 8:00-11:00PM

August 25, 8:00-11:00PM

September 22, 7:00-10:00PM

September 29, 7:00-10:00PM

October 13, 7:00-10:00PM

Venus rises in the east just before sunrise.

Jupiter is at opposition so rises at sunset and is visible all night.

Saturn rises in the S-SW around midnight.

See more sky updates:

S&T: This Weeks Sky At A Glance
Astronomy Mag: The Sky This Week

Quonset Hut Fundraising Project
New Images in the Showcase. See these and many more taken by our members in the Showcase.


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Current Sky Chart from Heavens Above  



Globular Clusters
Open Clusters
Wide Field
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Sky Chart
Solar Activity
Artificial Satellites
Meteor Showers
Lunar Phases


  Variable Stars

Z UMa Project
Julian Date Conversion
Eclipsing Binary Ephemeris RR Lyrae Ephemeris