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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 120 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.


Macarthur Astronomy   Forum

19th February, 7.30 pm

Dr Maria Cunningham



Public Viewing 

MAS will hold a public Lunar Eclipse event at Dudley Chesham Sportsground, The Oaks, from 7.30 pm on Wednesday 31 January on the field just past the football pitch. 

This is conditional on the weather and any decision on cancellation will be notified by 6 pm at the latest - posted to our website and Facebook pages.

This is the timing of the event:

9:51 pm Wed, 31 Jan:  Penumbral Eclipse begins. 

10:48 pm Wed, 31 Jan:  Umbral Eclipse begins

11:51 pm Wed, 31 Jan:  Total Eclipse begins 

12:29 am Thu, 1 Feb:  Maximum Eclipse 

1:07 am Thu, 1 Feb:  Total Eclipse ends (MAS event may end at or before this time)

2:11 am Thu, 1 Feb:  Partial Eclipse ends  

3:08 am Thu, 1 Feb:  Penumbral Eclipse ends 

Bring your telescopes, binoculars and cameras. A gold coin donation please. 



MAS Image of the Week

Eta Carina Nebula

Image by Mark Sellars

Image  ©  Mark Sellars  (Macarthur Astronomical Society).
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