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Common Envelope Evolution
The evolution of interacting binary stars
Dirk Goës
Jun 18, 20259 min read
How to choose the right telescope eyepiece, Monday 2 June, 6:30pm
This presentation will guide your selection of telescope eyepieces, suitable for amateur astronomers.
Toner Stevenson
May 21, 20251 min read
History of the Cambridge Observatory, presented by Mark David Hurn, Monday 7 July, 6:30pm
Cambridge University Observatory has a rich history with outstanding astronomers who would influence astronomy across the Empire.
Toner Stevenson
May 13, 20252 min read
Aiming a Telescope, Monday 4th August at 6:30pm
This talk will go through all the ways amateurs have used telescopes, and with the advent of Smart Telescopes.
Toner Stevenson
Apr 22, 20251 min read
Planetary Science presented by Dr Chrysa Avdellidou FRAS, Mon 5 May, 6:30pm
Recent research into planetary science will be discussed in this on-line presentation
Toner Stevenson
Apr 21, 20251 min read
Astronomers' Bulletin April to June '25
Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read at your leisure for free.
Janette Brennan
Apr 18, 20251 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 2, 20257 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 14, 20253 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 12, 20253 min read
Sydney City Skywatchers 130-year Anniversary
130th anniversary of astronomy society highlights
Andrew Wood
Mar 9, 20252 min read
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