Scales
| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Ecliptic | 0 - 30 Degrees of ecliptic | Every 3 | Ecliptic | ecliptic |
| Date | 1221/2 |
| Maker | Muḥammad ibn Fattūḥ al-Khamā’irī |
| Place | Seville |
| Material | Brass |
| Inventory no. | 44141 |
| Acquisition | Presented by Lewis Evans in 1924 |
Stars
There are 29 stars on the rete marked with hook 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 |
|---|---|---|---|---|
| قلب العقرب | Antares | pointer damaged | pointer damaged | hook |
| الطاير | Altair | pointer damaged | pointer damaged | hook |
| كعب الفرس | τ Pegasi | pointer damaged | pointer damaged | hook |
| عنق الحياة | Unukalhai | pointer damaged | pointer damaged | hook |
| راس الحوا | Rasalhague | pointer damaged | pointer damaged | hook |
| بتن قيطوس | Baten Kaitos | 20.0° of Aries | -15° | hook |
| راس الغول | Algol | 7.0° of Taurus | 41° | hook |
| الدبران | Aldebaran | 5.0° of Gemini | 12° | hook |
| قدم الجوزا | Rigel | 13.0° of Gemini | -11° | hook |
| العيوق | Capella | 16.0° of Gemini | 50° | hook |
| منكب الجوزا | Betelgeuse | 19.0° of Gemini | 50° | hook |
| العبور | Sirius | 3.0° of Cancer | -16° | hook |
| الغميصا | Procyon | 14.0° of Cancer | 5° | hook |
| يد الدب | Talitha Borealis | 28.0° of Cancer | 50° | hook |
| ذنب الشجاع | 0.0° of Leo | 7° | hook | |
| عنق الشجاع | Alphard | 16.0° of Leo | -4° | hook |
| قلب الاسد | Regulus | 21.0° of Leo | 18° | hook |
| رجل الدب | Tania Australis | 24.0° of Leo | 44° | hook |
| جناح الغراب | Gienah | 24.0° of Virgo | -14° | hook |
| السماك الاعزل | Spica | 17.0° of Libra | -9° | hook |
| القايد | Alkaid | 20.0° of Libra | 53° | hook |
| السماك رامح | Arcturus | 27.0° of Libra | 18° | hook |
| الفكة | Alphecca | 29.0° of Scorpio | 35° | hook |
| الواقع | Vega | 5.0° of Capricorn | 44° | hook |
| الردف | Deneb | 5.0° of Aquarius | 46° | hook |
| ذنب الجدي | Deneb Algiedi | 13.0° of Aquarius | -19° | hook |
| منكب الفرس | Scheat | 9.0° of Pisces | 27° | hook |
| الخضيب | Caph | 20.0° of Pisces | 56° | hook |
| ظنب قيطوس | Deneb Kaitos | 27.0° of Pisces | -15° | hook |
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