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sydneycityskywatch
5 days ago3 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.

Andrew Wood
Mar 92 min read
Sydney City Skywatchers 130-year Anniversary
130th anniversary of astronomy society highlights

Toner Stevenson
Mar 75 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
Feb 232 min read
Solar activity this month: February 2025
Our active Sun in February 2025


Dirk Goës
Feb 165 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
Jan 711 min read
How do we know that the universe is expanding and accelerating?
A short explanation An image from a video visualisation of the expanding and accelerating universe ( Credit : NASA's Goddard Space Flight...

Robert Luxford
Oct 30, 20241 min read
Astronomy videos
See below for my astronomy videos that I have created over the last 2-3 years. Episode 1 - Comets Episode 2 - Black Holes Episode 3 -...

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...

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...

Garry Dalrymple
Mar 31, 20243 min read
How Good is your Night Sky?
An easy-to-use walk around guide. By Garry P. Dalrymple The visibility of the stars and the planets is a restriction placed on all of us...
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