Macarthur Astronomical Society
Feet on the ground, eyes in the sky…
Based in the South Western Region of Sydney, NSW, Australia, including Campbelltown, Camden, Liverpool and Wollondilly.
M31 – a Spiral Galaxy in Andromeda
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.
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.
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.