Macarthur Astronomical Society

Amateur Astronomers

Feet on the ground, eyes in the sky…

Based in the South Western Region of Sydney, NSW, Australia, including Campbelltown, Camden, Liverpool and Wollondilly.

Members Gallery

M31 – a Spiral Galaxy in Andromeda

Tony Law

See our Members Astro-image Gallery for more photographs.

Monthly Meetings with Guest Speakers

Online for Members.

During the pandemic our meetings are held online for members only. When we return to “normal” our meetings will again be held at Western Sydney University (Campbelltown) and be open to the public.

See News & Events Page for further details.


What We Do

We hold dark sky observing sessions for our members.

We organise the Macarthur Astronomy Forum, bringing local and international professional astronomers to address us on their research.

We organise community astronomy nights at Campbelltown Rotary Observatory at Western Sydney University and we collaborate with local institutions to broaden public understanding of the Universe.

May Guest Speaker

Dr Ashley Ruiter

Astrophysicist (UNSW Canberra)

Monday 17th May

Online. See News & Events page for further details.

Home page

Lunar Eclipse

26th May

A total lunar eclipse will be visible from the Macarthur region on 26th May. Details are on our News & Events page.

< Progress images of 10th December 2011 eclipse, by Tony Law.

June Guest Speaker

Prof Naomi McClure-Griffiths

Astrophysicist (ANU Canberra)

Monday 21st June

Online. See News & Events page for further details.

Home page

July Guest Speaker

Dr Jonty Marshall

Institute of Astronomy and Astrophysics,
Academia Sinica, Taipei, Taiwan

Monday 19th July

Online. See News & Events page for further details.

Home Page

Patron of MAS

Professor Geraint Lewis

Cosmologist, Teacher, Author, Public Speaker

Professor of Astrophysics at the Sydney Institute for Astronomy, part of the University of Sydney’s School of Physics and a regular guest speaker at MAS.

Home page

Expand Your Universe

Join MAS

You can find out more about us > HERE < . Our members are very active and friendly, so if you are curious about the Universe that we live in and would like to join MAS, you will be very welcome.