Welcome to the Astronomical Society of South Australia

The Astronomical Society of South Australia is the only representative body for amateur astronomy in the state of South Australia. Founded in 1892 and with around 700 members, it is the oldest and one of the largest organisations of its kind in Australia.

Our monthly meetings, which usually feature a guest speaker, are free, open to the public and visitors are most welcome to attend.

ASSA Awards Night 2020

Wednesday, 4 November 2020 8:00 PM

Place the date in your calendar for the ASSA awards night held on the 4th of November 2020. It’s going to be a big night for the Society and recognition for those members who have been nominated for awards. There will be interviews, quizzes and presentations.

Members' Diary

October 2020
October 16, 2020

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Watch some of our recent events on our YouTube channel

Astronomy Education

Public Lectures



Latest Issue

Inside The Bulletin

Each month the Society publishes The Bulletin - a 16 to 20 page newsletter for members, containing information on astronomical news and events.

This month's issue includes:

  • Possible marker for life spotted on Venus
  • The Lagrangian Points in Astronomy
  • Member profile - Michael Mattiazzo
  • M77 - a bright Seyfert galaxy in Cetus


Read now


Membership is open to people of all ages and professions— the only pre-requisite is an interest in astronomy. It does not matter how much you know about astronomy or any other science. The Society has something for you.Our members come from all walks of life. What they share is the enjoyment the night sky has to offer.

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