Astrolabe Catalogue


Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date ca. 1575
Maker Humphry Cole
Place London
Material Gilt brass
Inventory no. 43454
Acquisition Presented by A. E. Gunther in 1986
The rete is of the indicator-line (simple) type. This rete resembles that made by Humfrey Cole, dated 1574, now in the British Museum.The zodiac on the rete is labelled: ARIES , TAVR , GEM , CAN , LEO , VIRGO , LIBRA , SCORPIVS , SAGITARIVS , CAPRICORN9 , AQVARIVS , PISCES


There are 13 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
Venter ceti Baten Kaitos 22.0° of Aries -9° flamant
OCVLVS ♉ Aldebaran 2.0° of Gemini 14° flamant
Sinister pes Orionis Rigel 18.0° of Gemini -9° flamant
Caius maior Sirius 5.0° of Cancer -12° flamant
Lucida hidre Alphard 12.0° of Leo -3° flamant
COR ♌ Regulus 22.0° of Leo 14° flamant
Spica ♍ Spica 16.0° of Virgo -6° flamant
LANCEATOR Arcturus 0.0° of Scorpio 24° flamant
Cor scorpii Antares 3.0° of Sagittarius -23° flamant
VVLTER VOLANS Altair 19.0° of Capricorn flamant
Dabih 28.0° of Capricorn -14° flamant
Crus aquarij Skat 6.0° of Pisces -14° flamant
CRUS PEGASI Scheat 9.0° of Pisces 26° flamant

Pin & Wedge

The rete is attached using a pin & wedge.
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