This Planiferic (Catholic or European) astrolabe, was set for 40,4º latitude. Its stars and rete were updated, so it´s fully functional. Specially developed by Dr. H.V. for Hemisferium with classic Renaissance design.Note: From the Greek “star searcher” this instrument was introduced in Europe by the Arabs. It became a vital tool for astronomers, astrologers and surveyors. Among other calculations one can establish the height of the Sun, the planets and the stars, determine time, measure heights, calculate distances and astrological implications.