Probably very few practicing astronomers or astrologers actually read Ptolemy's Almagest, which had been translated into Latin by Gerard of Cremona in the 12th century.
Vjerojatno vrlo malen broj tadašnjih astronoma ili astrologa uopće i pročitao Ptolomejevo djelo Almagest, koje je u 12. stoljeću na Latinski jezik preveo Gerard Kremonski.