gnomonic on Flickr Thomas J. A. Henderson FRS FRSE (1798-1844). Lived here 1840-44. Scotland's first Astronomer Royal 1834-44. from the Cape Observatory he made the first ever measurement (1831-33) of a stellar distance. 1 Hillside Crescent, Edinburgh by Institute of Physics Colour: blue Wikimedia: Flickr: How to add yours gnomonic on Flickr Google Streetview OpenStreetMap