Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1800
Place North Africa
Material Brass
Inventory no. 41460
Acquisition Presented by J. A. Billmeir in 1957
The rete is of the maghribi (four knobs) type. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت

Scales


Type Range & Units Numbered Geometry Location
Ecliptic 0 - 30 Degrees of ecliptic Not numbered  Ecliptic ecliptic

Stars

There are 24 stars on the rete marked with hook 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
دنب قيطوس Deneb Kaitos 12.0° of Aries -14° hook
راس غول Algol 16.0° of Taurus 39° hook
الذبران Aldebaran 6.0° of Gemini 16° hook
عيوق Capella 15.0° of Gemini 42° hook
قدم الجوزا Rigel 18.0° of Gemini -9° hook
منكب الجوز Betelgeuse 24.0° of Gemini hook
الغبور Sirius 7.0° of Cancer -15° hook
الغمض Procyon 22.0° of Cancer hook
يد الذب Talitha Borealis 12.0° of Leo 41° hook
شجاع Alphard 13.0° of Leo -9° hook
رجل داب Tania Australis 26.0° of Leo 39° hook
الاغزل Spica 19.0° of Virgo -10° hook
الغرب Gienah 17.0° of Libra -13° hook
رامح Arcturus 3.0° of Scorpio 23° hook
فكه Alphecca 22.0° of Scorpio 32° hook
عنق الحية Unukalhai 23.0° of Scorpio 16° hook
العقرب Antares 29.0° of Scorpio -24° hook
راس الحول Rasalhague 28.0° of Sagittarius 13° hook
واقع Vega 2.0° of Capricorn 19° hook
الطاير Altair 22.0° of Capricorn 10° hook
الدلفين Deneb Dulfim 6.0° of Aquarius 22° hook
ردف Deneb 6.0° of Aquarius 39° hook
ذنب الجدي Deneb Algiedi 24.0° of Aquarius -17° hook
منكب فر Scheat 9.0° of Pisces 25° hook

Horse Image:

astrolabe part (photo)

Horse Image:

astrolabe part (photo)

Pin & Horse

The rete is attached using a pin & horse.
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