Celestial navigational globe. Astronomical details on the sphere show that only the brightest stars are plotted, for a limited number of constellations. There are neither constellation figures nor contours of their areas. Above the title inscription, there is a labelled magnitude table in a rectangular cartouche. Some stars are marked by their Bayer notation. A total of 29 stars and one star group are named. There are the names of only 27 Ptolemaic constellations and three of the non-Ptolemaic constellations. One of the constellations of Hevelius is named.