Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date late 14th century
Place Europe
Material Brass
Inventory no. 36338
Acquisition Presented by J. A. Billmeir in 1957
The rete is of the indicator-line (fullsrc=+refoil) type. There are numerous construction marks on the back of the rete, including the names of some of the signs in a cursive script.The zodiac on the rete is labelled: ARIES , TAV , GEMI’ , CANC’ , LEO , VIRGO , LIBRA , SCORPIVS , SAGITARI9 , CAPRICORN9 , AQUVARI9 , PISCES

Scales


Type Range & Units Numbered Geometry Location
Ecliptic 0 - 30 Degrees of ecliptic Each division is labelled 6  Ecliptic ecliptic

Stars

There are 33 stars on the rete marked with flamant 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
[no name] pointer damaged pointer damaged flamant
[no name] Alpheratz 3.0° of Aries 27° flamant
MIRC Mirach 10.0° of Aries 37° flamant
PANTACAITOZ Baten Kaitos 20.0° of Aries -14° flamant
MENCAR Menkar 7.0° of Taurus flamant
AVGETAV Angetenar 25.0° of Taurus -14° flamant
ALDEB‘ Aldebaran 0.0° of Gemini 15° flamant
ALhAIOT Capella 5.0° of Gemini 44° flamant
RIGIL Rigel 10.0° of Gemini -7° flamant
ALGEV Betelgeuse 18.0° of Gemini flamant
ALhABOR Sirius 0.0° of Cancer -14° flamant
ALGOMEZA Procyon 12.0° of Cancer flamant
MARKEB Rho Pup 22.0° of Cancer -22° flamant
ALRVCABA 24.0° of Cancer 45° flamant
COR Regulus 20.0° of Leo 14° flamant
CORVS Gienah 2.0° of Virgo -9° flamant
[no name] Zosma 23.0° of Virgo 20° flamant
ALChIMET Spica 13.0° of Libra -8° flamant
ALRAM’ Arcturus 23.0° of Libra 23° flamant
[no name] Alkaid 24.0° of Libra 52° flamant
ALFECA Alphecca 16.0° of Scorpio 28° flamant
YED Yed Prior 26.0° of Scorpio -4° flamant
COR Antares 27.0° of Scorpio -25° flamant
ALhAVE Rasalhague 13.0° of Sagittarius 15° flamant
[no name] Rastaban 21.0° of Sagittarius 50° flamant
VEGA Vega 3.0° of Capricorn 37° flamant
ALTAIR Altair 16.0° of Capricorn flamant
DELFIN Deneb Dulfim 28.0° of Capricorn 14° flamant
LIBEDENEB Deneb Algiedi 7.0° of Aquarius -21° flamant
ALDIGE Alderamin 14.0° of Aquarius 60° flamant
STEATh Skat 28.0° of Aquarius -17° flamant
ALF'AE Scheat 6.0° of Pisces 23° flamant
DENEBCAITOZ Deneb Kaitos 23.0° of Pisces -8° flamant

Pin Image:

astrolabe part (photo)

Horse Image:

astrolabe part (photo)

Horse Image:

astrolabe part (photo)

Pin & Wedge

The rete is attached using a pin & wedge.
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