Carte du Ciel
Videos
The Carte du Ciel and the Astrographic Catalogue were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue and map th
The Sydney 'Star Camera' used in the Carte du Ciel project, original publication, 1892
Catalogue photographique du Ciel I–VIII published by Helsinki University Observatory in 1937.
1887 International Astrographic Congress
Astrometry
Videos
Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies. It provides the kinematics and physical origin of the Solar S
Concept art for the TAU spacecraft, a 1980s era study which would have used an interstellar precursor probe to expand the baseline for calculating stellar parallax in support of Astrometry.
PDS 70