- Star Data Pages
Provides detailed information about stars: positions, proper motion, radial velocity, magnitudes, spectral class, color index, catalogue references, data about multiple star systems (i.e. orbital elements), and data about variability (min./max. brightness, period, type of variability).
Lists the 50 brightest stars visible from Earth, and the 50 closest stars to Earth. Proper names, distances, magnitudes, spectral classification and other data are provided for each star.
- Bright Star Catalogue
Find data (cross references, positions, proper motions, spectral classes, magnitudes ...) on all stars visible to the naked eye from the BSC, SKY2000, SAO, WDS and GCVS. Stars can be searched by their proper names, Bayer designations, Flamsteed, HR, HD, SAO or FK5 numbers.