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    Skywatchers Blog posts

    Did you know?

    Did you know? The James Webb telescope

    • Jun 9
    • 2 min
    Did you know? The James Webb telescope

    Did you know? The Light Year...

    • May 11
    • 1 min

    Did you know?...Dwarf planets

    • Apr 17
    • 1 min
    Did you know?...Dwarf planets

    A Truly Australian Star

    • Dec 31, 2021
    • 2 min
    A Truly Australian Star

    Did you know? the Kuiper Belt

    • Nov 7, 2021
    • 1 min
    Did you know? the Kuiper Belt

    Did you know? Binary Stars

    • Oct 10, 2021
    • 2 min
    Did you know? Binary Stars

    Did You know?...Equinoxes.

    • Sep 8, 2021
    • 1 min
    Did You know?...Equinoxes.

    Did you know? Artificial Satellites

    • Aug 8, 2021
    • 2 min
    Did you know? Artificial Satellites

    Did you know?...the asteroid belt

    • Jul 26, 2021
    • 2 min
    Did you know?...the asteroid belt

    Winter Solstice

    • Jun 18, 2021
    • 3 min
    Winter Solstice
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    In this month: September
    Elizabeth Cocking
    • Aug 31, 2021
    • 3 min
    In this Month

    In this month: September

    9th September 1892 Amalthea, a moon of Jupiter, is discovered by Edward Emerson Barnard using the 36 inch (91 cm) refractor telescope at Lick Observatory. It was the last natural satellite in the solar system to be discovered by direct visual observation, all later moons were discovered by photographic or digital imaging. It was also the first new satellite of Jupiter to be discovered since Galileo’s discovery of the Galilean moons in 1610. Amalthea is irregularly shaped with
    Observing Double Stars by Andrew Wood
    Andrew Wood
    • Aug 25, 2021
    • 7 min
    Member reports

    Observing Double Stars by Andrew Wood

    Andrew Wood is an amateur astronomer and member of Sydney City Skywatchers. He has spent much of covid outside at night on Dharawal Country observing the stars and planets through his telescopes. He has also been re-examining observations made over the past few years with some interesting results and advice well worth sharing. Introduction Beyond our solar system, in which we can make observations of the Sun, Moon, planets, asteroids and comets; lies the rest of the universe:
    Did you know? Artificial Satellites
    Elizabeth Cocking
    • Aug 8, 2021
    • 2 min
    Did you know? Astronomical tidbits

    Did you know? Artificial Satellites

    This month . . . Artificial Satellites. From the launch of Sputnik which lead to the start of the Space Race between the Soviet Union and USA artificial satellites play an important part of our life. Unlike natural satellites such as the Moon which orbit the Earth, artificial satellites are human-made and are deliberately sent into orbit in space. The International Space Station (ISS) is the largest artificial satellite currently orbiting Earth. The oldest artificial

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