Scales
| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Ecliptic | 0 - 30 Degrees of ecliptic | Every 6 | Ecliptic | ecliptic |
| Date | ca. 1700 |
| Maker | Khalīl Muḥammad ibn Ḥasan ‘Alī |
| Place | Iṣfahān |
| Material | Brass |
| Inventory no. | 42649 |
| Acquisition | Purchased from C. E. Ross in 1925 |
Stars
There are 22 stars on the rete marked with bulb 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 |
|---|---|---|---|---|
| ذنب القطس | Deneb Kaitos | 4.0° of Aries | -14° | bulb |
| صدر القطس | 10.0° of Taurus | -14° | bulb | |
| فم القطس | Kaffaljidhm | 13.0° of Taurus | 8° | bulb |
| راس الغول | Algol | 13.0° of Taurus | 42° | bulb |
| عين الثور | Aldebaran | 6.0° of Gemini | 19° | bulb |
| عيوق | Capella | 12.0° of Gemini | 50° | bulb |
| رجل اليمنى | Saiph | 24.0° of Gemini | -10° | bulb |
| يد اليمنى | Betelgeuse | 27.0° of Gemini | 11° | bulb |
| شعراى يمانيه | Sirius | 9.0° of Cancer | -12° | bulb |
| شعراى شامي | Procyon | 22.0° of Cancer | 12° | bulb |
| فرد الشجع | Alphard | 15.0° of Leo | -5° | bulb |
| قاعدة الباطيه | Alkes | 10.0° of Virgo | -13° | bulb |
| جناح الغراب | Gienah | 29.0° of Virgo | -14° | bulb |
| سمك اعزل | Spica | 19.0° of Libra | -7° | bulb |
| سمك رامح | Arcturus | 2.0° of Scorpio | 23° | bulb |
| عنق الحيه | Unukalhai | 25.0° of Scorpio | 8° | bulb |
| قلب الغرب | Antares | 4.0° of Sagittarius | -22° | bulb |
| راس الحوا | Rasalhague | 20.0° of Sagittarius | 14° | bulb |
| منقار الدجاجه | Albireo | 18.0° of Capricorn | 27° | bulb |
| نسر طاير | Altair | 24.0° of Capricorn | 8° | bulb |
| فم الفرس | Enif | 10.0° of Aquarius | 9° | bulb |
| ساق ساكب | Skat | 8.0° of Pisces | -15° | bulb |
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