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October 2025 Observing Guide
The following describes objects in our night sky for October and is especially written for beginning observers. Moon Phases The Deep Sky...
Andrew Wood
6 days ago5 min read


The future of the Anglo Australian Telescope
A historic photo of the Anglo Australian Telescope. The dome is 50 metres high and 36 metres in diameter ( Credit : David Malin,...
Dirk Goës
Sep 34 min read


September observing guide
The following describes objects in our night sky for September and is especially written for beginning observers. Astronomy from the city...
Andrew Wood
Aug 305 min read


Centennial Park outreach for Science Week 2025
On the weekend of the 16-17 th August the Sydney City Skywatchers (SCS) ran their annual telescope viewing sessions for the public at...
Dirk Goës
Aug 211 min read


The new Australian Decadal Plan for Astronomy
The cover of the new Australian Astronomy Decadal Plan. Cover artwork: Seven Sisters, Noeleen Hamlett, Wajarri Yamaji ( Credit :...
Dirk Goës
Jul 293 min read


Common Envelope Evolution
The evolution of interacting binary stars
Dirk Goës
Jun 189 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


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
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