Anglo-Australian Telescope

instrument

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June 18, 2026

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The Anglo-Australian Telescope is a 3.9-meter (153-inch) reflector telescope located at the Siding Spring Observatory in Australia. It was jointly built and has been operated by Australia and Great Britain since 1975. This telescope is known for its exceptionally clear optics and precise computer-controlled system, making it highly effective for observing faint and distant cosmic objects. The Siding Spring Observatory is one of the most significant optical observatories globally and is part of the Mount Stromlo and Siding Spring Observatories, which are the primary astronomical facilities in the Southern Hemisphere.1

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Mount Stromlo and Siding Spring Observatories
Its main telescope is the Anglo-Australian Telescope, which was jointly built by Australia and Great Britain and has been operated by them since 1975. The instrument is a 3.9-metre (153-inch) reflector that has notably distortion-free optics and an extremely precise computer-controlled system for pinpointing and tracking celestial objects. The telescope…
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Its main telescope is the Anglo-Australian Telescope, which was jointly built by Australia and Great Britain and has been operated by them since 1975. The instrument is a 3.9-metre (153-inch) reflector that has notably distortion-free optics and an extremely precise computer-controlled system for pinpointing and tracking celestial objects. The telescope…
Read More