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. | 50987 |
| Acquisition | Presented by J. A. Billmeir in 1957 |
Stars
There are 28 stars on the rete marked with foliate 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 قيطس | Deneb Kaitos | 3.0° of Aries | -10° | foliate |
| صدر قيطس | 12.0° of Taurus | -14° | foliate | |
| مسافت النهر | Zaurac | 26.0° of Taurus | -13° | foliate |
| عين الثور | Aldebaran | 13.0° of Gemini | 23° | foliate |
| رجل اليسرى | Rigel | 20.0° of Gemini | -7° | foliate |
| يد يمنى | Betelgeuse | 4.0° of Cancer | 16° | foliate |
| شعرى يمانيه | Sirius | 7.0° of Cancer | -13° | foliate |
| شامي يمعرى | Procyon | 18.0° of Cancer | 9° | foliate |
| طرف السفينه | Rho Pup | 24.0° of Cancer | -21° | foliate |
| فرد الشجاع | Alphard | 17.0° of Leo | -7° | foliate |
| قاعده | Alkes | 10.0° of Virgo | -14° | foliate |
| جناح الغراب | Gienah | 28.0° of Virgo | -14° | foliate |
| اعزل | Spica | 18.0° of Libra | -9° | foliate |
| سماك رامح | Arcturus | 3.0° of Scorpio | 23° | foliate |
| عنق الحيه | Unukalhai | 12.0° of Scorpio | 10° | foliate |
| فكه | Alphecca | 25.0° of Scorpio | 27° | foliate |
| قلب العقرب | Antares | 4.0° of Sagittarius | -26° | foliate |
| ركبه الحوا | 10.0° of Sagittarius | 5° | foliate | |
| راس الحوا | Rasalhague | 17.0° of Sagittarius | 18° | foliate |
| نسر واقع | Vega | 9.0° of Capricorn | 37° | foliate |
| ذنب العقاب | Deneb el Okab | 14.0° of Capricorn | 30° | foliate |
| طاير | Altair | 20.0° of Capricorn | 7° | foliate |
| ذنب الدجاجه | Deneb | 4.0° of Aquarius | 42° | foliate |
| مقار الدجاجه | 10.0° of Aquarius | 30° | foliate | |
| فم الفرس | Enif | 18.0° of Aquarius | 7° | foliate |
| ساق | Skat | 7.0° of Pisces | -17° | foliate |
| كف الخضيب | Caph | 23.0° of Pisces | 58° | foliate |
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