Principal Galaxies Catalogue
The Principal Galaxies Catalogue is an astronomical catalog published in 1989 that lists B1950 and J2000 equatorial coordinates and cross-identifications for 73,197 galaxies. It is based on the Lyon-Meudon Extragalactic Database, which was originally started in 1983. 40,932 coordinates have standard deviations smaller than. A total of 131,601 names from the 38 most common sources are listed. Available mean data for each object are given:
- 49,102 morphological descriptions,
- 52,954 apparent major and minor axis,
- 67,116 apparent magnitudes,
- 20,046 radial velocities and
- 24,361 position angles.