Scales
| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Ecliptic | 0 - 30 Degrees of ecliptic | Every 3 | Ecliptic | ecliptic |
| Date | ca. 1710 |
| Maker | Khalīl Muḥammad ibn Ḥasan ‘Alī |
| Place | Iṣfahān |
| Material | Brass |
| Inventory no. | 33739 |
| Acquisition | Presented by J. A. Billmeir in 1957 |
Stars
There are 26 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 |
|---|---|---|---|---|
| NK | pointer damaged | 0 | bulb | |
| NK | pointer damaged | 0 | bulb | |
| ذنب قيطس جنوبى | Deneb Kaitos | 24.0° of Aries | -17° | bulb |
| غول | Algol | 18.0° of Taurus | 38° | bulb |
| عين الثور | Aldebaran | 6.0° of Gemini | 16° | bulb |
| عيوق | Capella | 15.0° of Gemini | 44° | bulb |
| رجل اليسرى | Rigel | 16.0° of Gemini | -7° | bulb |
| يد يمنى | Betelgeuse | 25.0° of Gemini | 6° | bulb |
| شعراى يمانيه | Sirius | 8.0° of Cancer | -16° | bulb |
| شامى | Procyon | 20.0° of Cancer | 6° | bulb |
| فرد الشجاع | Alphard | 16.0° of Leo | -7° | bulb |
| قلب الاسد | Regulus | 24.0° of Leo | 15° | bulb |
| جناح الغرب | Gienah | 7.0° of Virgo | -16° | bulb |
| سماك اعزل | Spica | 19.0° of Libra | -10° | bulb |
| سماك رامح | Arcturus | 3.0° of Scorpio | 21° | bulb |
| نير فكه | Alphecca | 21.0° of Scorpio | 28° | bulb |
| عنق الحيه | Unukalhai | 24.0° of Scorpio | 5° | bulb |
| قلب العقرب | Antares | 5.0° of Sagittarius | -24° | bulb |
| راس الحوا | Rasalhague | 20.0° of Sagittarius | 12° | bulb |
| نسر واقع | Vega | 9.0° of Capricorn | 39° | bulb |
| نسر طاير | Altair | 25.0° of Capricorn | 6° | bulb |
| ذنب الدجاجه | Deneb | 7.0° of Aquarius | 42° | bulb |
| فم الفرس | Enif | 19.0° of Aquarius | 8° | bulb |
| ساق ايمن ساكب | Skat | 9.0° of Pisces | -17° | bulb |
| كف الخضيب | Caph | 26.0° of Pisces | 47° | bulb |
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