Made of brass materials, with hanger clamp at the top, consisting of a main chamber and five separate plaques using Arabic script, all of them carved inscriptions and 12 zodiac symbols and animal images fixed in 180°, connected by mathematical relationship, associated with stars and sun, 30 named star pointer net, triganometric shadow square and the reverse of the projected material for calculations, the diagram of unequal hours, marked with worship hours 0-360° degrees with larger signs at 5° 1° graduated edge, stereographic protrusions on the edges, admirable technique, admirable artistic value is invaluable advanced Islamic religion The needle of the mechanism that collects the unique astrolabe, which is considered to be the proof of astronomy knowledge, into 9cm diameter 15cm height plates is missing.