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Skywatchers Blog posts
Did you know?
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Dirk Goës
Oct 18, 20241 min read
End of 2024 Celebration, Mon 2 Dec, 6:30pm
There have been many astronomical events this year including our return to Sydney Observatory, the auroras that have been visible from...
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Dirk Goës
Sep 25, 20241 min read
Assoc Prof Milena Radnovic: The beauty of geometry in astronomy, Monday 4 November, 6:30pm.
In this illustrated talk mathematician, Milena Radnovic, will explore how astronomy and geometry developed together by ingenious human minds
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Dirk Goës
Aug 25, 20242 min read
Dr Nandini Sahu: Weighing black holes and dark matter, Wednesday 2 October, 6:30pm
Presented on-line via zoom Title: Weighing black holes and dark matter The supermassive black hole that resides at the center of a galaxy...
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Jeff Portelli
Aug 23, 20242 min read
Vale Les Dalrymple (1962 - 2024)
By Jeff Portelli Les Dalrymple was passionate about astronomy, and an exceptionally knowledgeable and experienced amateur astronomer. He...
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Janette Brenan
Jul 29, 20241 min read
Astronomers' Bulletin July to September '24
Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read...
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Dirk Goës
Jul 19, 20241 min read
Astronomical book shelves
by Toner Stevenson Many Sydney City Skywatchers members are avid readers and much of our discussion before and after our in person...
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Dirk Goës
Jul 18, 20241 min read
Our active Sun! July 2024
Sydney City Skywatchers member Garry Dalrymple has been observing sunspot activity lately with a small aperture telescope fitted with a...
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Dirk Goës
Jul 16, 20241 min read
First Knowledges Astronomy: Sky Country
I found this book compelling because Noon and De Napoli, both Indigenous astronomers, combine their Western scientific knowledge with...
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Ann Cairns
Jul 15, 20241 min read
The Measure of All Things: The Seven-Year Odyssey and Hidden Error That Transformed the World
This is the story of two intrepid scientists who for the good of France and all mankind set out on a mission to measure the earth during...
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Dirk Goës
Jul 14, 20241 min read
Dark Skies and Indigenous Rights in Aotearoa New Zealand, Monday 5 August, 6:30pm.
Presentation on dark sky and Indigenous rights.
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