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Bonner Durchmusterung Catalog

(BD, Durchmusterung)
(well-known astrometric catalog from late 1800s)

The Bonner Durchmusterung Catalog (Durchmusterung or BD) is a whole-sky (except for the far south) catalog of the astrometry and apparent magnitude of stars, assembled at the Bonn Observatory from 1859 to 1903, covering 325,000 stars to a magnitude of 9 or 10.

Two extensions covering the southern-hemisphere extensions are the Cordoba Durchmusterung and the Cape Photographic Durchmusterung

BDBD+36 2147Bonner Durchmusterung Catalog 
CDCD-36°15693Bonner Durchmusterung CatalogCordoba Durchmusterung
CoDCoD-36°7429Bonner Durchmusterung CatalogCordoba Durchmusterung
CPDCPD-57°2874Bonner Durchmusterung CatalogCape Photographic Durchmusterung

Referenced by:
Lalande 21185