-
Astrographic Catalogue, +01 to +31 Degrees
This machine-readable version of the Astrographic Catalogue (AC), zones +01 to +31 degrees is the result of the determination of mean values for position and magnitude at a mean... -
The AC 2000.2 Catalogue
The AC 2000.2 is a revised version of the 1997 release of the AC 2000 (Cat. ). It was decided that the availability of an improved reference catalogue and the inclusion of... -
M2000: Bordeaux Carte du Ciel zone +11<Dec<+18
During four years, systematic observations have been conducted in drift scan mode with the Bordeaux automated meridian circle in the declination band [+11 ; +18]. The resulting... -
The FON Astrographic Catalogue (FONAC)
The FONAC is a catalogue of positions, proper motions and photometric data for 2,008,383 of Astrographic Catalogue (AC) stars covering the sky between declinations +90 and -2... -
The Tycho Reference Catalogue
The Tycho Reference Catalogue (TRC) contains high-quality positions and proper motions for 990182 stars of the Tycho Catalogue. The proper motions were derived from Tycho... -
The AC2000 Catalogue
The Astrographic Catalogue (AC) was an international effort designed to photograph and measure the positions of all stars brighter than magnitude 11.0. In total, some 4.6... -
The ACT Reference Catalog
The U.S. Naval Observatory has completed the compilation of the ACT Reference Catalog, containing 988,758 stars covering the entire sky. The motivation behind the ACT was to... -
Toulouse AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Uccle AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Bordeaux AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Paris AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Vatican AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Oxford 2 AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system... -
Oxford 1 AC Zone Data Reduced to ACRS
The U.S. Naval Observatory is in the process of making new reductions of the Astrographic Catalogue (AC) using a modern reference system, the ACRS, which represents the system...
