| Date | 1687/8 (A.H. 1099) | 
        
          | Maker | ‘Abdullah ibn Sāsī | 
        
          | Place | Morocco | 
        
          | Material | Brass | 
        
          | Inventory no. | 45220 | 
        
          | Acquisition | Presented by Lewis Evans in
          1924 | 
      
The rete is of the maghribi (two knobs) type. The two
      knobs are now missing.The zodiac on the rete is labelled:
      الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان
      , العقرب , القوس , الجدي , الدلو , الحوت
    
 
    
      Scales
      
        
          
          | Range & Units | Numbered | Geometry | Location | 
        
          | Ecliptic | 0 - 30 Degrees of ecliptic | Not numbered | Ecliptic | ecliptic | 
      
     
    
      Stars
There are 25 stars on the rete marked with
      dagger 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 | 
        
          | بطن قيطوس | Baten Kaitos | 25.0° of Aries | -11° | dagger | 
        
          | غول | Algol | 15.0° of Taurus | 40° | dagger | 
        
          | الدبران | Aldebaran | 6.0° of Gemini | 14° | dagger | 
        
          | منكب | Betelgeuse | 12.0° of Gemini | 7° | dagger | 
        
          | قدم الجوزا | Rigel | 15.0° of Gemini | -7° | dagger | 
        
          | عيوق | Capella | 16.0° of Gemini | 45° | dagger | 
        
          | عبور | Sirius | 6.0° of Cancer | -13° | dagger | 
        
          | عميصا | Procyon | 17.0° of Cancer | 8° | dagger | 
        
          | دبن | Talitha Borealis | 12.0° of Leo | 46° | dagger | 
        
          | رجل | Tania Australis | 21.0° of Leo | 42° | dagger | 
        
          | قلب الاسد | Regulus | 25.0° of Leo | 12° | dagger | 
        
          | جناح الغرب | Gienah | 12.0° of Virgo | -14° | dagger | 
        
          | الاعزل | Spica | 20.0° of Libra | -8° | dagger | 
        
          | الرامح | Arcturus | 2.0° of Scorpio | 21° | dagger | 
        
          | فكى | Alphecca | 23.0° of Scorpio | 30° | dagger | 
        
          | الحياه | Unukalhai | 23.0° of Scorpio | 16° | dagger | 
        
          | قلب الغرب | Antares | 9.0° of Sagittarius | -22° | dagger | 
        
          | الحوا | Rasalhague | 20.0° of Sagittarius | 12° | dagger | 
        
          | واقع | Vega | 2.0° of Capricorn | 38° | dagger | 
        
          | الطاير | Altair | 21.0° of Capricorn | 8° | dagger | 
        
          | دبن الجدى | Deneb Algiedi | 25.0° of Capricorn | -20° | dagger | 
        
          | دلفم | Deneb Dulfim | 2.0° of Aquarius | 13° | dagger | 
        
          | ردف | Deneb | 5.0° of Aquarius | 46° | dagger | 
        
          | منكب | Scheat | 10.0° of Pisces | 27° | dagger | 
        
          | دنب قيطوس | Deneb Kaitos | 0.0° of Pisces | -8° | dagger | 
      
     
    
      
      
      
      Horse Image:
 
     
    
      
Pin & Wedge
The rete is attached using a pin
      & wedge.