Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1600
Place India (?)
Material Brass
Inventory no. 34611
Acquisition Presented by J. A. Billmeir in 1957
The rete is of the foliate (single knob) type. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت

Stars

There are 36 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 جنوبى Deneb Kaitos 7.0° of Aries -20° foliate
بطن الحوت Mirach 12.0° of Aries 32° foliate
رجل السل 29.0° of Aries 41° foliate
فم القطس Kaffaljidhm 8.0° of Taurus foliate
راس الغول Algol 13.0° of Taurus 41° foliate
مرافق الثريا Mirfak 18.0° of Taurus 47° foliate
عين الثور Aldebaran 6.0° of Gemini 18° foliate
عيوق Capella 12.0° of Gemini 46° foliate
يد الجوز اليسرى Rigel 14.0° of Gemini -8° foliate
يد الجوزا يمنى Betelgeuse 24.0° of Gemini foliate
شعراى يمانيه Sirius 7.0° of Cancer -16° foliate
Asellus Borealis 2.0° of Leo 20° foliate
فرد الشجاع Alphard 14.0° of Leo -5° foliate
قلب الاسد Regulus 26.0° of Leo 13° foliate
ظهر الاسد Zosma 20.0° of Virgo 24° foliate
صرفه Denebola 21.0° of Virgo 15° foliate
جناح الغراب Gienah 28.0° of Virgo -15° foliate
عناق 10.0° of Libra 57° foliate
سماك اعزل Spica 11.0° of Libra -9° foliate
سماك رامح Arcturus 0.0° of Scorpio 21° foliate
نير فكه Alphecca 23.0° of Scorpio 28° foliate
عنق الحيه Unukalhai 24.0° of Scorpio foliate
قلب العقرب Antares 4.0° of Sagittarius -24° foliate
راس الحوا Rasalhague 20.0° of Sagittarius 13° foliate
نسر واقع Vega 7.0° of Capricorn 39° foliate
راس الجسى 8.0° of Capricorn foliate
منقار الدجاجه Albireo 18.0° of Capricorn 27° foliate
نسر طاير Altair 23.0° of Capricorn foliate
ذنب الدلفينر Deneb Dulfim 2.0° of Aquarius 10° foliate
ذنب الدجاجهر Deneb 16.0° of Aquarius 44° foliate
ذنب الحوت 21.0° of Aquarius -16° foliate
منكب الفرس Markab 9.0° of Pisces 13° foliate
منكب الفرس Scheat 10.0° of Pisces 25° foliate
ذنب الجدي Deneb Algiedi 20.0° of Pisces -16° foliate
جناح الفرس Deneb Algiedi 28.0° of Pisces 13° foliate
كف الخضيب Caph 29.0° of Pisces 58° foliate

Horse Image:

astrolabe part (photo)

Horse Image:

astrolabe part (photo)

Pin & Horse

The rete is attached using a pin & horse.
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