Largest astrolabes by diameter

As of 2026-07-08, Astrolabe: Western, multiple-type tops the list with 0.68 m.

1. #1 Astrolabe: Western, multiple-type — 0.68 m

   object M-33 in the Adler Planetarium collection

   source Wikidata
2. #2 Astrolabe — 0.56 m

   object 4050 in the King Catalogue of Scientific Instruments

   source Wikidata
3. #3 The Khalili Astrolabe — 0.53 m

   monumental astrolabe made for Shah Jahan

   source Wikidata
4. #4 Astrolabe: Western, multiple-type — 0.52 m

   object M-23 in the Adler Planetarium collection

   source Wikidata
5. #5 Astrolabe: Western [Reproduction] — 0.49 m

   object DPW-51 in the Adler Planetarium collection

   source Wikidata
6. #6 The Great Sloane astrolabe — 0.47 m

   object 290 in the King Catalogue of Scientific Instruments

   source Wikidata
7. #7 Astrolabe: Western, multiple-type — 0.46 m

   object M-24 in the Adler Planetarium collection

   source Wikidata
8. #8 An unsigned astrolabe dated 1483, fitted with an organum Ptolemei and an eclipse calculator — 0.46 m

   object 492 in the King Catalogue of Scientific Instruments

   source Wikidata
9. #9 Astrolabe — 0.45 m

   object 642 in the King Catalogue of Scientific Instruments

   source Wikidata
10. #10 Astrolabe of Hans Dorn — 0.45 m

    astrolabe

    source Wikidata