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 is on Friday, October 21st at 8:00PM at the Observatory.

Public Open House
Our last open house for this year will be on Oct. 7th starting at 6:30PM and will feature the moon.

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Public Viewing Nights

Open House Nights for 2016

A̶p̶r̶i̶l̶ ̶2̶9̶, 7:00PM - Orion

M̶a̶y̶ ̶6̶, 7:30PM - Jupiter

J̶u̶n̶e̶ ̶1̶1̶̶, 5:00PM - The Sun

A̶u̶g̶u̶s̶t̶ ̶5̶, 7:30PM - Sagittarius

S̶e̶p̶t̶e̶m̶b̶e̶r̶ ̶2̶, 7:00PM - Mars & Saturn

S̶e̶p̶t̶e̶m̶b̶e̶r̶ ̶2̶3̶, 6:30PM - Gas Giants

October 7, 6:30PM - The Moon

Three planets visible in the early evening!

Jupiter is only briefly visible low in the west after sunset.

Mars is bright in the S/SW at sunset.

Saturn is in the S/SW at sunset

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.


Sky Chart by Heavens Above Showcase Header Observing Information Header Variable Stars Header

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