It was established at Ditton Park in 1917, and used the house and its immediate grounds.
In 1917 the property was taken over for the Admiralty Compass Observatory, which used the house and its immediate grounds until it was sold to Computer Associates (now CA Technologies) in the 1990s.
Admiralty | Royal Observatory, Greenwich | observatory | Royal Observatory | Paris Observatory | Palomar Observatory | Admiralty law | Admiralty Islands | Yerkes Observatory | Arecibo Observatory | Siding Spring Observatory | Mount Wilson Observatory | Lords Commissioners of the Admiralty | Smithsonian Astrophysical Observatory | Observatory | Harvard College Observatory | Ondřejov Observatory | Lowell Observatory | Kew Observatory | compass | Roque de los Muchachos Observatory | Pulkovo Observatory | McDonald Observatory | Jodrell Bank Observatory | Chandra X-ray Observatory | Solar Dynamics Observatory | National Astronomical Observatory of Japan | Las Campanas Observatory | European Southern Observatory | Allegheny Observatory |