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Córdoba Durchmusterung (CD)

Córdoba Durchmusterung (CD) is a southern extension of the Bonner Durchmusterung, compiled from observations at the Cordoba Observatory, Argentina, by J. M. Thome and published in the Resultados del Observatorio Nacional Argentino from 1892 onward. It includes 613,959 stars down to about tenth magnitude, south of declination -22°. Objects are referred to in the form "CD -37° 2853."

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