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Anglo-Australian Telescope • Siding Spring • New South Wales by William Bullimore

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Anglo-Australian Telescope • Siding Spring • New South Wales by 

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Camera: Canon EOS 5D Mk II
Lens: Canon EF 15mm f/2.8 Fisheye
Exposure: 3 exposures (-2,0,+2 EV)
Aperture: f/8
Focal Length: 15mm
ISO Speed: 100
Accessories: Manfrotto 190XB Tripod, Manfrotto 322RC2 Heavy Duty Grip Ball Head, Canon RC1 Wireless Remote
Date and Time: 11 January 2011 10.31am

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From <a href=";

<i>The Anglo-Australian Telescope (AAT) is a 3.9 m equatorially mounted telescope operated by the Australian Astronomical Observatory and situated at the Siding Spring Observatory, Australia at an altitude of a little over 1100 m. The telescope is ranked 5th out of the world’s optical telescopes and is considered the most scientifically productive optical telescope in the world. The telescope was commissioned in 1974 with a view to allowing high quality observations of the sky from the southern hemisphere, as in the 1970s most major telescopes were located in the north.

It is jointly funded by Australia and the United Kingdom, with observing time made available to astronomers worldwide. It is equipped with a number of instruments, including the Two Degree Field facility (2dF), a robotic optical fibre positioner for obtaining spectroscopy of up to 400 objects over a 2° field of view simultaneously; the University College London Échelle Spectrograph (UCLES), a high-resolution optical spectrograph which has been used to discover many extrasolar planets; and IRIS2, a wide-field infrared camera and spectrograph.

The AAT was one of the last large telescopes built with an equatorial mount. More recent large telescopes have instead adopted the more compact and mechanically stable altazimuth mount. The AAT was however one of the very first telescopes to be fully computer-controlled, and set new standards for pointing and tracking accuracy.


anglo australian telescope, astronomy, australia, coonabarabran, hdr, new south wales, siding spring, siding spring observatory, telescope, hdri


  • Željko Malagurski
    Željko Malagurskiover 2 years ago

    interior, your specialty William!

  • Thanks heaps Zeljko.

    – William Bullimore

  • Fred Mitchell
    Fred Mitchellover 2 years ago

    I think I have been here, but they did not let me in with five kids in tow. Great to see the inside bits.

  • Thanks Fred. That would have been quite a road trip with 5 kids in tow :)

    – William Bullimore

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