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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 Astronomers 

With over 100 members from across the SW region of Sydney, Australia, we conduct the monthly Macarthur Astronomy Forum at the Campbelltown Campus of Western Sydney University.

We hold public astronomy nights in collaboration with Campbelltown Rotary Observatory at Western Sydney University; and dark sky observing sessions for our members.


"Space Rocks"

Macarthur Astronomy Forum 

Monday 16th July at 6.30 pm

Presented by our international guests, Amy Shira Teitel and Geoffrey Notkin

Acacia Theatre, Plant Bank, Mount Annan Botanic Gardens

Supported by Inspiring Australia and the Australian Botanic Gardens, Mount Annan, our July 16 Macarthur Astronomy Forum is a Special Event to be held at the Plant Bank, Australian Botanic Gardens, Mount Annan. 


Amy Shira Teitel

Toronto, Canada.
Spaceflight historian,
author, YouTuber,
popular space personality.


Geoffrey Notkin

Tuscon, Arizona, US.
Television host,
professional meteorite hunter,
science writer, and photographer.


Commences at 6.30 pm and closes at 10:30 pm. Please note the early start.

This is a TICKETS ONLY EVENT through Eventbrite and numbers are limited:

$10.00 for financial Members of MAS and $15.00 for non-members. Tickets are limited so please book early to avoid disappointment.

Further details will be published on our    page.




Public Night at The Domes - Saturday 21st July.

Our winter season of free public nights at Campbelltown Rotary Observatory is underway.










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