Astrolabe Catalogue


Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date 1558
Maker Giovanni Domenico Feciolo
Place Bologna
Material Brass
Inventory no. 50257
Acquisition Bequeathed by Mrs A. M. Billmeir in 1973
The rete is of the heart-shaped type. The star pointers are an usual shape.The zodiac on the rete is labelled: ARIES , TAVRVS , GEMINI , CANCER , LEO , VIRGO , LIBRA , SCORPIO , SAGITTARIVS , CAPRICORNVS , AQVARIVS , PISSES


Type Range & Units Numbered Geometry Location
Ecliptic 0 - 30 Degrees of ecliptic Every 10  Ecliptic ecliptic


There are 24 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
CAV CETI Deneb Kaitos 6.0° of Aries -20° flamant
CING: ANDRO: Mirach 14.0° of Aries 25° flamant
VENTER CETI Baten Kaitos 26.0° of Aries -16° flamant
CAP: MEDV: Algol 14.0° of Taurus 39° flamant
OCVLVS TAVRI Aldebaran 4.0° of Gemini 17° flamant
SINI: PES: ORIO: Rigel 12.0° of Gemini -8° flamant
DEX: HVM: ORIONIS Betelgeuse 26.0° of Gemini flamant
CANIS MAIOR Sirius 6.0° of Cancer -15° flamant
CANIS MINOR Procyon 18.0° of Cancer flamant
LVCIDA HYDRI Alphard 16.0° of Leo -4° flamant
COR LEONIS Regulus 23.0° of Leo flamant
HVM: VRSE MAI: 13.0° of Virgo 63° flamant
SPICA VIRGINIS Spica 18.0° of Virgo -9° flamant
CAV: VR: MA: VL: Alkaid 27.0° of Virgo 51° flamant
ARCTVRVS Arcturus 2.0° of Scorpio 21° flamant
PALMA OPHIVCHI 0.0° of Sagittarius -9° flamant
COR ♏ Antares 3.0° of Sagittarius -24° flamant
CAP: OPHIV: Rasalhague 20.0° of Sagittarius 12° flamant
CAP: DRA: Rastaban 28.0° of Sagittarius 53° flamant
LV: LIRAE Vega 5.0° of Capricorn 36° flamant
AQVILA Altair 20.0° of Capricorn flamant
CAV: SYGNI Deneb 4.0° of Aquarius 45° flamant
CAV: CAPRICORNI PRECEDENS Deneb Algiedi 16.0° of Aquarius -19° flamant
CRVS PEGASI Scheat 10.0° of Pisces 25° flamant

Nut & Bolt

The rete is attached using a nut & bolt.
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