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. 39540
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: A , T , G , C , L , V , L , S , S , C , A , P


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 -18° flamant
cornu Sheratan 24.0° of Aries -15° flamant
menckar Menkar 9.0° of Taurus flamant
aldebara Aldebaran 2.0° of Gemini 15° flamant
alhaiot Capella 8.0° of Gemini 45° flamant
rigil Rigel 12.0° of Gemini -10° flamant
algese Betelgeuse 24.0° of Gemini flamant
alhabor Sirius 5.0° of Cancer -15° flamant
algomeisa Procyon 18.0° of Cancer flamant
ydra Alphard 11.0° of Leo -4° flamant
cor le Regulus 22.0° of Leo flamant
spica Spica 14.0° of Libra -7° flamant
eq9 Alioth 21.0° of Libra 51° flamant
alrame Arcturus 28.0° of Libra 21° flamant
elfeta Alphecca 21.0° of Scorpio 27° flamant
cor Antares 2.0° of Sagittarius -25° flamant
alhaue Rasalhague 24.0° of Sagittarius 50° flamant
wega Vega 2.0° of Capricorn 36° flamant
althair Altair 18.0° of Capricorn flamant
ariof Deneb 2.0° of Aquarius 42° flamant
humer9 Markab 6.0° of Pisces 10° flamant

Nut & Bolt

The rete is attached using a nut & bolt.
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