Analysis of a long-standing series of astronomical time determination at Borowa Góra observatory
The paper presents the continuation and extension of research on the analysis of long-standing series of astronomical observations conducted sińce 1963 with the passage instrument at Borowa Góra Geodetic- Geophysical Observatory of the Institute of Geodesy and Cartography, Warsaw.Retained observational data, in particular data series from last 19 years contains the unique information on time yariation of astronomical latitude of Borowa Góra Observatory.