Join the Ballaarat Astronomical Society and Discover the mysteries of the Cosmos

Download a Member Application

Meetings: The Society meets at 7.00pm on 2nd Friday of the following months: February, March, April, May, June, July, August (AGM), September, October, November, December (Christmas Breakup not formal meeting).

New Members most welcome to Members Night 2nd Friday of the Month except January. Members enjoy a discount for all programs at the Observatory, a 20% discount in the Science Shop, 20% discount at Observatory Events where there is an entry charge – free if Members are helping for the event, and a 10% discount in the Third Rock Cafe.

Memberships are available at an Individual, Family, Corporate Associate including Business and School Level.  Corporate Associate Business Membership allows for up to 5 Families to visit per year  and Corporate Associate School Membership allows for up to 3 classes to visit per year which is excellent value for school families.

Coming Members Nights.

19:00 Friday 13th March General Meeting

Presentation of items discussed at previous committee meeting.

Presentation: Classification of Stars: Spectral Analysis and H-R Diagram

Activity: Night Sky via Stellarium

Member Project: Adopt a Star
A small project/task for members to perform either on the night or during their own time and perhaps present their finding at the next meeting.

General Discussions: Have you come across a news item or an astronomical concept you can’t get you head around, bring it in for a discussion with members!

Activity: Viewing at the Telescopes


OBB and Stellar events

OBB September 2019

OBB June 2019

Earlier Issues available in Library

Constitution 2018