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  • welcome to

    macarthur astronomical society

  • observe

    Astronomers use scientific observation to learn about the Universe we live in. It's a beautiful place and, as a group of keen amateur astronomers, M.A.S. members have it as their common interest. We observe from two southern Sydney locations.

  • photograph

    Along with our "visual" observers, we have a group of dedicated astrophotographers within our ranks. This group find that photographing deep sky objects with high-quality cameras brings out the colour which your own eyes are unable to detect. See our photographs and you'll want to take your own.

  • educate

    Come to a Macarthur Astronomy Forum evening, held at UWS Campbelltown, to hear talks given by Australian and international professional astronomers as well as from amateurs with interests in their own specific fields. Entry is free for all.

  • events

    M.A.S. members are deeply committed to sharing our combined knowledge of, and love for, the night sky and the science of astronomy. We hold public open nights during the year - keep watching out for "What's On".


Macarthur Astronomical Society

Amateur Astronomy in South Western Sydney

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Welcome to MAS!

We are amateur astronomers in the South Western Region of Sydney, Australia, including Campbelltown, Camden, Liverpool and Wollondilly local government areas of NSW.

We hold regular dark sky observing sessions for our members to advance our skills.

We bring local and international guest speakers to address our monthly Macarthur Astronomy Forum at the Campbelltown Campus of Western Sydney University.

We organise public astronomy nights in collaboration with Campbelltown Rotary Observatory at Western Sydney University and we collaborate with local institutions to maximise knowledge of the Universe in the local community - including school mentoring.


Whens the next stargazing night


Macarthur Astronomy Forum

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Robert Brand

Space Activist & Entrepreneur

Monday 15th July, 7.30 pm 


Forum details: News and Events



Apollo 11 to STEM and The Next Giant Leap

Sunday 21 July 2019 commencing at 8:00am 

A celebration of the 50th Anniversary of Man’s First Moonwalk, 21 July 2019.

A major public event by Macarthur Astronomical Society in collaboration with One Giant Leap Australia (OGLA), Camden Council, Campbelltown Council and Western Sydney University.

Programme of events.

OGLA will introduce six NASA/JPL Scientists to discuss many STEM Topics. The Scientists are: Tom Nolan, Shannon McConnell, Debra Brice, Rachel Zimmerman Brachman, Christine Fuller, Dr. Mike Malaska.

The iconic movie "The Dish" (featuring Parkes Radio Telescope) will be shown.

Bookings are now available. Book now to avoid disappointment!    



Western Sydney University, Campbelltown Campus
Building 30, Goldsmith Avenue, Campbelltown, NSW 2560

See location map > HERE <   


MAS Top Shots

MAS visit China's FAST Radio Telescope

The Five hundred meter Aperture Spherical Telescope was the high-point of the Macastro-Tours visit to China last month.

2019 MAS at FAST Telescope China

Omega Centauri 

Image copyright Dave Manning (Macarthur Astronomical Society)








Whens the next stargazing night    









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