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 May General Meeting
Our next general meeting is May 20th at 8:00PM at the Observatory. Interested in membership? Join us at the meeting!

Public Open House
Our next open house of the season will be on May 6th.

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Public Viewing Nights

Open House Nights for 2016

A̶p̶r̶i̶l̶ ̶2̶9̶, 7:00PM - Orion

May 6, 7:30PM - Jupiter

June 11, 6:00PM - The Sun

August 5, 7:30PM - Sagittarius

September 2, 7:00PM - Mars & Saturn

September 23, 6:30PM - Gas Giants

October 7, 6:30PM - The Moon

Jupiter is near opposition so is visible nearly the entire night.

Mars rises in the SE at 11:30AM

Saturn rises in the SE at 12:00AM

Mercury is visible between now and the end of the month. Visible in the W, NW, sky just above the horizon just after sunset. But it`s so low you`ll need a really good clear horizon.

April Lyrid Meteor Shower. Apr. 19-24, peaking on the 22nd.

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
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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