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Astronomers' Bulletin April to June '25
Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read...
Janette Brenan
6 hours ago1 min read
Interacting binary stars
Stars that pull each other apart, merge, and explode A still from an animation simulating a thermonuclear explosion occurring on the...
Dirk Goës
Apr 27 min read
Pretty as a pink partially eclipsed Moon!
Reports of the total lunar eclipse which occurred on 14 March 2025, as seen from eastern Australia.
sydneycityskywatch
Mar 143 min read
View a partial lunar eclipse: Friday 14 March
How to view the lunar eclipse on 14 March 2025 from Sydney.
Elizabeth Cocking and Toner Stevenson
Mar 123 min read
Sydney City Skywatchers 130-year Anniversary
130th anniversary of astronomy society highlights
Andrew Wood
Mar 92 min read
Louise Webster (1941-1990): the first astronomer to identify a black hole.
Celebrating Australian women in astronomy on International Womens Day
Toner Stevenson
Mar 75 min read
Solar activity this month: February 2025
Our active Sun in February 2025
Toner Stevenson
Feb 232 min read
Ghosts of the radio universe: new discoveries of faint circular objects using MeerKAT and ASKAP EMU. Monday 7 April, 6:30pm
This talk presented by Professor Miroslav D. Filipović at Sydney Observatory on 7 April, 6:30pm is about radio astronomy research.
Dirk Goës
Feb 191 min read
Bessel to Gaia: Parallax comes full circle
Königsberg Observatory (left) where Friedrich Wilhelm Bessel made the first successful distance measurement to a star other than the Sun...
Dirk Goës
Feb 165 min read
Solar and stellar quakes: 3 March 6:30pm (via Zoom)
Presented by Dr Alina Donea, Monash University The Sun, courtesy NASA When the Sun unleashes a huge burst of electromagnetic radiation in...
Dirk Goës
Feb 112 min read
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