Modernized database is relevant to 4071 stars with proper names (Bayer and Flamsteed designations.)
For details, see in this place
Modernized database of stars set to "catalogs/stars" folder without deleting "data" folder.
For the locations of files provides built-in folder "locs".
Other database is placed in the "catalogs" folder. They will be modernized in the future.
- unzip catalogs.zip.
- celestia.cfg rename the old file (for example, celestia.cf_).
- install a new celestia.cfg.
- copy the "catalogs" folder in the parent folder Celestia
- launch Celestia