Durchmusterung

• abstract: In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the common name for three comprehensive astrometric star catalogues of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.Bonner Durchmusterung at VizieR Service, Centre de Données astronomiques de Strasbourg

以上来源于: WordNet