{"objectID":444408,"isHighlight":true,"accessionNumber":"91.1.535a–h","accessionYear":"1891","isPublicDomain":true,"primaryImage":"https://images.metmuseum.org/CRDImages/is/original/DP170386.jpg","primaryImageSmall":"https://images.metmuseum.org/CRDImages/is/web-large/DP170386.jpg","additionalImages":["https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ah.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahb.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahc.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahd.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahe.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahf.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahg.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahh.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahi.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahj.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahk.JPG","https://images.metmuseum.org/CRDImages/is/original/wb-91.1.535ahl.JPG","https://images.metmuseum.org/CRDImages/is/original/DP170387.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535a_1.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535a_2.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535a_3.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535a_4.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535c.jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535d (1).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535d (2).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535e (1).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535e (2).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535f (1).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535f (2).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535g (1).jpg","https://images.metmuseum.org/CRDImages/is/original/LC_91_1_535g (2).jpg","https://images.metmuseum.org/CRDImages/is/original/sf91-1-535x.jpg","https://images.metmuseum.org/CRDImages/is/original/h1_91.1.535a-h.jpg","https://images.metmuseum.org/CRDImages/is/original/sf91-1-535z.jpg","https://images.metmuseum.org/CRDImages/is/original/sf91-1-535.jpg","https://images.metmuseum.org/CRDImages/is/original/178446.jpg"],"constituents":[{"constituentID":135000,"role":"Maker","name":"‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari","constituentULAN_URL":"","constituentWikidata_URL":"","gender":""}],"department":"Islamic Art","objectName":"Astrolabe","title":"Astrolabe of ‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari","culture":"","period":"","dynasty":"","reign":"","portfolio":"","artistRole":"Maker","artistPrefix":"","artistDisplayName":"‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari","artistDisplayBio":"Yemini, ruled 1295–96","artistSuffix":"","artistAlphaSort":"‘Umar ibn Yusuf ibn ‘Umar ibn ‘Ali ibn Rasul al-Muzaffari","artistNationality":"Yemini","artistBeginDate":"1270","artistEndDate":"1321","artistGender":"","artistWikidata_URL":"","artistULAN_URL":"","objectDate":"dated 690 AH/1291 CE","objectBeginDate":1290,"objectEndDate":1292,"medium":"Brass; cast and hammered, pierced, chased, inlaid with silver","dimensions":"Case (a): Max. W. 7 5/8 in. (19.4 cm)\r\n                Diam. 6 1/8 in. (15.6 cm)\r\n                D. 1/4 in. (0.6 cm)\r\nBar with attached nail (b):  Max. H. 1 7/8 in. (4.8 cm)\r\n                                               Max. W. 1 1/8 in. (2.9 cm)\r\n                                               L. 5 in. (12.7 cm)\r\nNet (c): Diam. 5 in. (12.7 cm)\r\nPlates (d-g): Diam. 5 in. (12.7 cm)\r\nPin (h): L. 1 3/4 in. (4.4 cm)\r\n             W. 1/2 in. (1.3 cm)","measurements":[{"elementName":"Other","elementDescription":"(d-g) plates","elementMeasurements":{"Diameter":12.7}},{"elementName":"Other","elementDescription":"(c) net","elementMeasurements":{"Diameter":12.7}},{"elementName":"Other","elementDescription":"(b) bar","elementMeasurements":{"Length":12.7}},{"elementName":"Other","elementDescription":"greatest, of (b) bar, with attached nail","elementMeasurements":{"Height":4.8}},{"elementName":"Other","elementDescription":"(a) case","elementMeasurements":{"Diameter":15.6,"Thickness":0.6}},{"elementName":"Other","elementDescription":"(h) pin","elementMeasurements":{"Length":4.4,"Width":1.3}},{"elementName":"Other","elementDescription":"greatest, of (b) bar","elementMeasurements":{"Width":2.9}},{"elementName":"Other","elementDescription":"greatest, of (a) case","elementMeasurements":{"Width":19.4}},{"elementName":"Overall","elementDescription":null,"elementMeasurements":{"Width":19.4}}],"creditLine":"Edward C. Moore Collection, Bequest of Edward C. Moore, 1891","geographyType":"Made in","city":"","state":"","county":"","country":"Yemen","region":"","subregion":"","locale":"","locus":"","excavation":"","river":"","classification":"Metal","rightsAndReproduction":"","linkResource":"","metadataDate":"2026-04-16T19:34:26.79Z","repository":"Metropolitan Museum of Art, New York, NY","objectURL":"https://www.metmuseum.org/art/collection/search/444408","tags":[{"term":"Astronomy","AAT_URL":"http://vocab.getty.edu/page/aat/300054534","Wikidata_URL":"https://www.wikidata.org/wiki/Q333"}],"objectWikidata_URL":"https://www.wikidata.org/wiki/Q29384951","isTimelineWork":true,"GalleryNumber":""}