Year: 2015

New in 2015 Sydney Observatory Teachers’ Preview: Accessing the stars in the new dome

February 27, 2015

Start 2015 with a special teachers only event at Sydney Observatory. This is the official education launch of the East Dome facility, which has been designed to provide an accessible telescope dome experience and features a new exhibition. Wine and light refreshments will be served on the night and pizzas will be ordered to suit every taste.

Daily cosmobite: Saturn at midnight

February 27, 2015

Saturn is the most beautiful celestial object to see through a telescope. Even after more than twenty years I still enjoy observing it. It is rising just before midnight at present.   Saturn. If you step back & squint this image most closely resembles the view of Saturn through a small telescope.

Earth Hour 2015: Revealing the stars during Earth Hour

February 26, 2015

See the stars shine brighter when we turn off our lights on Saturday 28 March 2015, 7:30 to 10pm.
See an astronomy presentation and then lights will go out from 8:30 to 9:30 when Sydney Observatory will be the perfect location to both view through telescopes and experience the heritage site as it was in a bygone era.

Daily cosmobite: Moon at first quarter in Taurus

February 26, 2015

Today the Moon is at first quarter in the constellation Taurus. Look due north after sunset.     Quetelet, the only lunar crater beginning with 'Q'. Map provided by the IAU Gazetteer of Planetary Nomenclature.

120 Years of Astronomy Seminar

February 26, 2015

Saturday 14 March 2015, 5pm to 8:30pm This seminar is open to all. Cost: $10* Held at Sydney Observatory this is an opportunity to hear great speakers focus on the contributions of amateur astronomers.

Daily cosmobite: Mercury ushers in sunrise

February 25, 2015

Mercury is at "greatest elongation west" today, i.e. at its furthest apparent distance from the Sun. This means it is easiest to see just before sunrise. Look for the last 'star' visible in the morning twilight, it will be almost a handspan above the eastern horizon.

Daily cosmobite: Dark observing locations in Adelaide

February 24, 2015

Light pollution is the bane of city-based astronomers. This series of night time images was taken from the International Space Station. They help identify dark sites from which to best view the sky.

Daily cosmobite: A “solar rose”

February 23, 2015

In October 2014 Big Bear Solar Observatory (BBSO) took an image of a sunspot. It was processed by Alan Friedman into this spectacular "solar rose". Find out more at APOD (Feb 17, 2015) and see the original image at the BBSO gallery.

Daily cosmobite: Mars and Venus meet up in the west

February 20, 2015

From Feb 20-23, 2015 Mars and Venus will appear close in the evening sky. They are at their closest at 7-am on Feb 22 at just one Moon-width apart (or half a degree). The Moon itself, fresh into lunar new year,  is nearby on Feb 21 but not visible.

Daily cosmobite: Mysterious Martian plumes

February 19, 2015

A mysterious plume appeared on Mars in 2012. A recent analysis investigated two explanations: high-altitude water or carbon-dioxide ice or a Martian aurora. However, both explanations conflict with our current understanding of Mars' atmosphere.

Daily cosmobite: Pluto was discovered 85 years ago

February 18, 2015

Clyde Tombaugh discovered Pluto 85 years ago on February 18 1930. He found it on a pair of photographs taken a few weeks earlier. Its moon Charon was discovered in 1978.   The latest from New Horizons spacecraft.

Daily cosmobite: Dark observing locations in Perth

February 17, 2015

Light pollution is the bane of city-based astronomers. This series of night time images was taken from the International Space Station. They help identify dark sites from which to best view the sky.