Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date 1653/4 (A.H. 1064)
Maker Ḍiyā’ ad-Dīn Muḥammad
Place Lahore
Material Brass
Inventory no. 38862
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 , الشرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدى , الدلو , الحوت

Scales


Type Range & Units Numbered Geometry Location
Ecliptic 0 - 30 Degrees of ecliptic Every 6  Ecliptic ecliptic

Stars

There are 37 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
كف الخضيب Caph pointer damaged 57° foliate
ذنب القيطس جنوبى Deneb Kaitos 2.0° of Aries -10° foliate
ذنب القيظس س Deneb Kaitos Shemali 8.0° of Aries -19° foliate
بطن الحوت Mirach 14.0° of Aries 34° foliate
سدر القيطس 10.0° of Taurus -18° foliate
كف الجدما Menkar 14.0° of Taurus foliate
راس الغول Algol 16.0° of Taurus 32° foliate
تانى مسافه النهر Zaurac 28.0° of Taurus -13° foliate
عين الثور Aldebaran 6.0° of Gemini 15° foliate
عيوق Capella 15.0° of Gemini 44° foliate
يد الجوزا Betelgeuse 18.0° of Gemini foliate
رجل الجوزا Rigel 22.0° of Gemini -10° foliate
شعرى يمانيه Sirius 7.0° of Cancer -15° foliate
شعرى شامي Procyon 18.0° of Cancer foliate
طرف سفينه Rho Pup 22.0° of Cancer -20° foliate
فرد شجاع Alphard 14.0° of Leo -8° foliate
راس الاسد 20.0° of Leo 28° foliate
قلب الاسد Regulus 22.0° of Leo 11° foliate
ظهر الدب Dubhe 4.0° of Virgo 63° foliate
قاعده الباطيه Alkes 8.0° of Virgo -15° foliate
جناح الغرب Gienah 28.0° of Virgo -14° foliate
سماك العزل Spica 16.0° of Libra -8° foliate
عناق 18.0° of Libra 59° foliate
سماك رامح Arcturus 28.0° of Libra 22° foliate
كفه جنوبي Zubenelgenubi 8.0° of Scorpio -14° foliate
نير فكه Alphecca 20.0° of Scorpio 26° foliate
عنق الحيه Unukalhai 23.0° of Scorpio foliate
قلب العقرب Antares 3.0° of Sagittarius -24° foliate
ركنه الحوا 6.0° of Sagittarius -8° foliate
راس الجاثى Rasalgethi 14.0° of Sagittarius 17° foliate
يد الحو Rasalgethi 24.0° of Sagittarius -10° foliate
نسر واقع Vega 4.0° of Capricorn 40° foliate
منكب فرس Scheat 10.0° of Capricorn 28° foliate
منقار الدجاجه Albireo 18.0° of Capricorn 26° foliate
ذنب الجدى جنوبى Deneb Algiedi 19.0° of Aquarius -16° foliate
ساق ساكب الماى Skat 8.0° of Pisces -16° foliate
سرة فرس Alpheratz 28.0° of Pisces 25° foliate

Horse Image:

astrolabe part (photo)

Horse Image:

astrolabe part (photo)

Pin & Horse

The rete is attached using a pin & horse. The pin is held in place by a rather ornate and life-like horse.
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