Whats On

Coming Up At MAS:



Event & Location

Event Details


19th Oct Sat Stargard
At The Oaks

Members Private Observing. SS 7.11 pm
MR 12.16 am
21st Oct Mon Macarthur Astronomy Forum
at Western Sydney University

Guest Speaker: Prof Geraint Lewis (Univ of Syd) 7.15 pm for 7.30 pm start
25th-26th Oct Fri-Sat The Forest
At Belanglo

New Moon Weekend
Members Private Observing.
SS 7.17 pm
2nd Nov Sat Private Observing Event

Durham Green SS 7.23 pm
MS 12.36 pm
18th Nov Mon Macarthur Astronomy Forum
at Western Sydney University

Guest Speaker: Dr Brad Tucker (ANU) 7.15 pm for 7.30 pm start
23rd Nov Sat Stargard
At The Oaks

Members Private Observing Night SS 7.43 pm
MR 4.07 am
29th-30th Nov Fri-Sat The Forest
At Belanglo

New Moon Weekend
Members Private Observing.
SS 7.50 pm
9th Dec Mon Macarthur Astronomy Forum
at Western Sydney University

Annual Students Night 7.15 pm for 7.30 pm start
21st Dec Sat Stargard
At The Oaks

Members Private Observing SS 8.05 pm
MR 2.40 am
27th-28th Dec Fri-Sat The Forest
At Belanglo

New Moon Weekend
Members Private Observing.
SS 8.08 pm
31st Dec Tue Stargard
At The Oaks

Members Private Observing SS 8.10 pm
MS 11.44 pm
  •    *Time Key for observing nights: SS = Sunset; MS = Moonset; MR = Moonrise.

  •     In the event of inclement weather, Forest nights will be cancelled and Stargard may be postponed.

  •     Before setting out: if an event is in doubt, members should check both here AND the MAS Facebook page.  

  •    See also our 'Maps' page; and the 'Field Etiquette' page.


       Macarthur Astronomy Forum is held on the third Monday of the month (Jan-Nov) and second Monday in December.
  •     Events publicised for Western Sydney University are held at Campbelltown Campus.
  •     A full observing planning list for the year is available > Here <

        Whens the next stargazing night


Macarthur Astronomy Forum

Monday 21st October 


macarthur astronomy forum logo transparent2                2016 02 15 MAS 20th Geraint Lewis Square   

Prof Geraint Lewis


(University of Sydney)


“Are we alone? Life in a hostile universe”

Is there alien life on alien worlds? As we look out into the Universe, we find more and more planets, but our search for extra-terrestrial life has so far yielded nothing.

In this talk, Geraint Lewis will explore our scientific understanding of life in the Universe, our continuing search for the signatures of alien civilisations, and address the question of "Where is everybody?"

We will find that, whilst life may be common, intelligent life and star-crossing civilisations appear to be vanishingly rare, and we might be alone in the universe.

Geraint Lewis

Born and raised in South Wales, Geraint F. Lewis is now professor of astrophysics at the Sydney Institute for Astronomy at the University of Sydney. His research focuses on cosmology, gravitational lensing and galactic cannibalism, all with the goal of unravelling the dark-side of the universe.

With Luke Barnes, he is the author of  A Fortunate Universe: Life in a finely tuned cosmos, examining why the physical properties of the Universe appear to be just right for complexity and life.


Lecture Theatre 30, Building 30, Goldsmith Avenue, Western Sydney University, Campbelltown. Public admission is free but a gold coin donation in our black box near the door would be very much appreciated. 

7.15 pm for a 7.30 pm start

MAS Partners With Return and Earn

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We are proud to announce that MAS has become a Donation Partner with Return & Earn in the Macarthur area for the period Monday 26th August until Sunday 24th November 2019.

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Return and Earn is a NSW litter reduction initiative, which was introduced in 2017.

Littering impacts all of us. It spoils our environment, costs millions of dollars to clean up, and is associated with anti-social behaviour. 


We have been assigned thirteen local Reverse Vending Machines (RVMs) for this period, see Local RVM List.

When you take eligible containers to an RVM for recycling, simply select "Donations - Local Charity - Macarthur Astronomical Society" - and MAS will earn the donated refunds of 10 cents per container.

MAS members, family and the public are encouraged to participate in this opportunity to further our activities and public outreach programs.

Return and Earn is helping to meet the goal of reducing the volume of litter in NSW by 40 per cent by 2020. See here for How it WorksSee here for your local council Return & Earn pages:   Campbelltown,   Camden,   Wollondilly,   Liverpool.

Members Notices


Members are advised that our monthly newsletter has been discontinued for the foreseeable future.

For details of all our scheduled activities - both for members and for the public - please bookmark this web page. Our regular activities are also posted on our Facebook group page, which is the best place for members to check for any late changes to events or postponements due to weather.

Macarthur Astronomical Society

Website Update from Webmaster

I am delighted to inform members that our former President, Chris Malikoff, has volunteered to build a new website for the Society and has already begun work on it. Hopefully the new version will replace our existing site before the end of the year, so please bear with us in the meantime.

Some of you are already aware of problems with the current site, including the mail and private message system. Thanks for your understanding. 



Management Committee 2019-20

President: Allan Hobbs
Vice-President: John Rombi
Secretary: Barry Moore
Treasurer: Andy Milton
Committee Position: Henry Swierk
Committee Position: Phillip Kidd
Committee Position: Greg Bradford

Membership & Followers 

Thank you for your support. As of 2nd September we have 134 full members of the Society. 

We have 194 followers on Twitter and 1067 Facebook followers.

Members are reminded that enhanced menu facilities are available to you when logged in here. If you lose your password, simply request another from the login point. 

If you have any difficulties with logging on or see other issues relating the website, please refer them to This email address is being protected from spambots. You need JavaScript enabled to view it. 

Don't forget to tell us if any of your contact details have recently changed - especially your e-mail address, which is our primary means of communication with all our members.

Please contact Henry Swierk This email address is being protected from spambots. You need JavaScript enabled to view it. with your new details.



See our MAS Astronomy Books page!




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