Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read at your leisure for free.

Stars that pull each other apart, merge, and explode A still from an animation simulating a thermonuclear explosion occurring on the surface of a white dwarf star (right) while still pulling in gas from its companion red giant star (left) in binary star system T Corona Borealis ( Credit : NASA's Goddard Space Flight Center Conceptual Image Lab). By Dirk Goës A binary star system is one where two stars are gravitationally bound together and orbit each other in either circu

Reports of the total lunar eclipse which occurred on 14 March 2025, as seen from eastern Australia.

How to view the lunar eclipse on 14 March 2025 from Sydney.

130th anniversary of astronomy society highlights

Celebrating Australian women in astronomy on International Womens Day

Our active Sun in February 2025

This talk presented by Professor Miroslav D. Filipović at Sydney Observatory on 7 April, 6:30pm is about radio astronomy research.

Königsberg Observatory (left) where Friedrich Wilhelm Bessel made the first successful distance measurement to a star other than the Sun ( Credit : Wikipedia). The Gaia satellite (right) which has determined the distance to millions of stars to high degree of accuracy ( Credit : ESA/ATG medialab; background: ESO/S. Brunier). By Dirk Goës BSc(CompSc) UOW, MSc(Astronomy) Swinburne The observation phase of the European Space Agencies (ESA) groundbreaking Gaia mission ended on

Presented by Dr Alina Donea, Monash University The Sun, courtesy NASA When the Sun unleashes a huge burst of electromagnetic radiation in...