The following describes objects in our night sky for December and is especially written for beginning observers. Moon Phases The Deep Sky Objects described later should be visible with the Moon present, although they will be better seen at times when the Moon is not visible. Still, don’t be put off by the Moon if the sky is clear. See what you can and try again on a moonless night. December starts with the 10-day old Waxing Moon, becoming more gibbous each day until… Dec 5: F

The following describes objects in our night sky for October and is especially written for beginning observers. Moon Phases The Deep Sky...

The following describes objects in our night sky for September and is especially written for beginning observers. Astronomy from the city...

Sydney City Skywatchers member Garry Dalrymple has been observing sunspot activity lately with a small aperture telescope fitted with a...

Dr Toner Stevenson, History Affiliate, School of Humanities, The University of Sydney This blog post is to recognise Margaret Colville...

20 February 1962 John Glenn becomes the first American to orbit the Earth in his Friendship 7 spacecraft circling it three times. The...

Happy New Year! Elizabeth Cocking continues this astronomical blog post sequence in 2024. Each month she looks back on astronomical...

IN THIS MONTH 23 December 1672 Italian astronomer Giovanni Domenico Cassini observes Rhea, one of Saturn's Moons. Cassini discovered four...

11th November 1572 Supernova SN1572, also called B Cassiopeiae, is first observed by Danish astronomer, Tycho Brahe. The “new star” was...

24th October 1851 William Lassell finds not one, but two moons of Uranus on the same night when he discovers Umbriel and Ariel. There is...