This service is an extension of the Apparent Places of Fundamental
Stars (APFS) computing exact geocentric positions in both the CIO and
equinox systems to stars from the Gaia DR3 result catalogue.
This service is an extension of the Apparent Places of Fundamental
Stars (APFS) computing exact geocentric positions in both the CIO and
equinox systems to stars from the Gaia DR2 result catalogue.
This service is an extension of the Apparent Places of Fundamental
Stars (APFS) computing exact geocentric positions in both the CIO and
equinox systems to stars from the Hipparcos catalogue.