Timeline of astronomical maps, catalogs and surveys * c. 1800 BC — Babylonian star catalog (see Babylonian star catalogues) * c. 1370 BC; Observations for the Babylonia MUL.APIN (an astro catalog). * c. 350 BC — Shi Shen's star catalog has almost 800 entries * c. 300 BC — star catalog of Timocharis of Alexandria * c. 134 BC — Hipparchus makes a detailed star map * c. 150 — Ptolemy completes his Almagest, which contains a catalog of stars, observations of planetary motions, and treatises on geometry and cosmology * c. 705 — Dunhuang Star Chart, a manuscript star chart from the Mogao Caves at Dunhuang * c. 750 — The first Zij treatise, Az-Zij ‛alā Sinī al-‛Arab, written by Ibrahim al-Fazari and Muhammad al-Fazari * c. 777 — Yaʿqūb ibn Ṭāriq's Az-Zij al-Mahlul min as-Sindhind li-Dara