Astrolabe Catalogue


Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1400
Maker Jean Fusoris
Place Paris
Material Brass
Inventory no. 49636
Acquisition Presented by Lewis Evans in 1924
The rete is of the indicator-line (full) type. This rete resembles those from Jean Fusoris's workshop. This similarity suggests that this instrument too comes from Fusoris's workshop.The zodiac on the rete is labelled: Aries , Taur9 , Gemī , Canc , Leo , Virgo , Libra , Scorpi9 , Sagittari9 , Caper , Aquari9 , Pisces


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


There are 21 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
vent' ceti Baten Kaitos 22.0° of Aries -19° flamant
cornu Sheratan 22.0° of Aries -17° flamant
memkar Menkar 9.0° of Taurus flamant
aldebaran Aldebaran 1.0° of Gemini 15° flamant
alhaiot Capella 10.0° of Gemini 45° flamant
rigil Rigel 12.0° of Gemini -11° flamant
algeuse Betelgeuse 21.0° of Gemini flamant
alhabor Sirius 5.0° of Cancer -15° flamant
algomeisa Procyon 16.0° of Cancer flamant
ydra Alphard 20.0° of Leo -4° flamant
cor le Regulus 22.0° of Leo 14° flamant
spica Spica 14.0° of Libra -8° flamant
eq9 Alioth 16.0° of Libra 55° flamant
alrame Arcturus 22.0° of Libra 21° flamant
elfet Alphecca 20.0° of Scorpio 28° flamant
cor Antares 2.0° of Sagittarius -24° flamant
alhaui Rasalhague 22.0° of Sagittarius 51° flamant
wega Vega 4.0° of Capricorn 36° flamant
althair Altair 16.0° of Capricorn flamant
ariof Deneb 25.0° of Aquarius 42° flamant
humer9 Markab 6.0° of Pisces 10° flamant

Pin & Wedge

The rete is attached using a pin & wedge.
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