Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1800
Maker Shaykh Sakkūt
Place Turkey
Material Wood
Inventory no. 47792
Acquisition Purchased from the Hotel Drouot, Paris, in 1992
The rete is of the indicator-line (simple) type. The zodiac on the rete is labelled: illegible , illegible , illegible , illegible , اسد , سنبله , ميزان , عقرب , قوس , جدى , دلو , حوت

Stars

There are 23 stars on the rete marked with other pointers. Unless otherwise indicated the star name, mediation and declination are as marked/measured on the rete.
Click on the star name or modern star name to search for other astrolabes with the same star.
Star name
(on instrument)
Modern star
(if known)
Mediation Declination Pointer
كف الع؟؟؟ 12.0° of Aries -11° other
صدر ثور 19.0° of Taurus -12° other
عين الث؟؟ Aldebaran 6.0° of Gemini 18° other
رجل ؟؟ Acubens 14.0° of Gemini -8° other
illegible Capella 24.0° of Gemini 47° other
يد جوزا Betelgeuse 25.0° of Gemini 12° other
سعر ؟؟ Sirius 4.0° of Cancer -11° other
شعر شام Procyon 12.0° of Cancer 12° other
كف الز 9.0° of Leo -13° other
قلب اسد Regulus 24.0° of Leo 12° other
سماك الاعز Spica 19.0° of Libra -11° other
illegible 20.0° of Libra 38° other
سماك رامح Arcturus 9.0° of Scorpio 26° other
illegible Alphecca 24.0° of Scorpio 26° other
راس الحوا Rasalhague 19.0° of Sagittarius 14° other
راس الحوا Rasalhague 19.0° of Sagittarius 14° other
illegible Vega 8.0° of Capricorn 35° other
نسر الطاير Altair 15.0° of Capricorn other
illegible 29.0° of Capricorn 39° other
مدناش؟؟ Deneb Algiedi 13.0° of Aquarius -19° other
؟؟ الدجاجه 14.0° of Aquarius 11° other
فم ؟؟ Enif 4.0° of Pisces 15° other
بطن ؟؟ Baten Kaitos 9.0° of Pisces -12° other

Nut & Bolt

The rete is attached using a nut & bolt. The wingnut and bolt look like later replacements.
MHS Home | Contact Us | ©2006 Museum of the History of Science