Astrolabe Catalogue


Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1250
Place Spain (?)
Material Brass
Inventory no. 49033
Acquisition Presented by Lewis Evans in 1924
The rete is of the indicator-line (simplesrc=+refoil) type. The zodiac on the rete is labelled: ARIES , TAVR9 , GEMI , CANC' , LEO , VIRGO , LIBRA , SCORPIVS , SAGITT , CAPRIC , AQVARI9 , PISCES


There are 21 stars on the rete marked with dagger 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
PATANCAITOZ Baten Kaitos 18.0° of Aries -12° dagger
ALGOH Algol 12.0° of Taurus 32° dagger
ALDEBARAN Aldebaran 27.0° of Taurus dagger
ALhAIOC Capella 7.0° of Gemini 32° dagger
RIGEL Rigel 8.0° of Gemini -9° dagger
BEU Betelgeuse 15.0° of Gemini dagger
ALhABOR Sirius 3.0° of Cancer -15° dagger
ECRE 27.0° of Cancer 47° dagger
ALFARD Alphard 15.0° of Leo -6° dagger
COR Regulus 21.0° of Leo 13° dagger
ALGVRALI Algorab 18.0° of Virgo -9° dagger
ALChIMEC Spica 10.0° of Libra -6° dagger
BENENAZ Alkaid 21.0° of Libra 51° dagger
CALBALA Antares 14.0° of Scorpio -21° dagger
ELFECA Alphecca 18.0° of Scorpio 32° dagger
ALhAVHI Rasalhague 14.0° of Sagittarius 17° dagger
VEGA Vega 3.0° of Capricorn 38° dagger
ALTAIR Altair 14.0° of Capricorn dagger
DELPI Deneb Dulfim 9.0° of Aquarius dagger
ALGEDI Deneb Algiedi 13.0° of Aquarius -18° dagger
DENEP 20.0° of Pisces -9° dagger

Horse Image:

astrolabe part (photo)

Pin & Horse

The rete is attached using a pin & horse.
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