code: D20) located within the Wallingup Plain in the Gingin shire, Western Australia.

The original construction cost AUD 1 million.

[4] Observations are performed robotically every night, and have led to various important results, such as the observation of the first detected counterpart of a gravitational wave source, GW170817.

[5][6] The observatory operates one robotic 1.0-metre Cassegrain telescope for scientific studies.

In addition, the observatory hosts several instruments operated by private companies.