ctibor@brancik.cz Ctibor Brančík Data files for sci-astronomy/astrometry. You can choose to install data files from 2MASS and TYHO-2 catalogs. Install index files with the range of skymark diameters from 2.0 to 4.0 arcminutes (4200-4201) Install index files with the range of skymark diameters from 4.0 to 11 arcminutes (4202-4204) Install index files with the range of skymark diameters from 11 to 30 arcminutes (4205-4208) Install index files with the range of skymark diameters from 30 to 2000 arcminutes (4209-4219) Install index files for wide angle images created from TYHO-2 star catalog