I'm improve accuracy of our star catalogues from Hipparcos, the New Reduction (van Leeuwen, 2007) catalog (Hipparcos 2). You can test new catalog since 0.12.2dev2. Next possibility for improve coordinates via time - using non-linear model for proper motion of stars.
I'm improve accuracy of our star catalogues from Hipparcos, the New Reduction (van Leeuwen, 2007) catalog (Hipparcos 2). You can test new catalog since 0.12.2dev2. Next possibility for improve coordinates via time - using non-linear model for proper motion of stars.