Gill, David Sir

1843 – 1914

• Heliometer observations for determination of stellar parallax made at the Royal Observatory, Cape of Good Hope
• A determination of the solar parallax
• A history and description of the Royal observatory, Cape of Good Hope
• Determination of the mass of Jupiter and elements of the orbits of its satellites from observations made with the Cape heliometer
• Ephemeris of Victoria for opposition of 1889
• Heliometer comparison stars, for Uranus and Neptune, 1901-1904 and for Mars, Jupiter, and Saturn, 1901-1903
• Heliometer-determinations of stellar parallax in the southern hemisphere
• Observations of comets made at the Royal Observatory, Cape of Good Hope, in the years 1880 to 1894
• Presidential address
• Presidential address on the construction of astronomical instruments
• Programme for observation of the minor planet Victoria
• Report on the geodetic survey of part of Southern Rhodesia