Astrolabe Catalogue

 

Small image of astrolabe rete separated from astrolabe. Click to enlarge.
Date early 16th century
Place Europe
Material Brass
Inventory no. 52528
Acquisition Presented by J. A. Billmeir in 1957
The rete is of the indicator-line (simple) type. The zodiac on the rete is labelled: Aries , Taurus , Gemini , Cancer , Leo , Virgo , Libra , Scorpius , Sagitarius , Capricornus , Aquarius , Pisces

Scales


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

Stars

There are 13 stars on the rete marked with dagger 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 3 Baten Kaitos 20.0° of Aries -14° dagger
Cauda ceti 3 Deneb Kaitos 0.0° of Taurus dagger
Hircus 1 Capella 1.0° of Gemini 48° dagger
Oculus ♉ Aldebaran 2.0° of Gemini 10° dagger
Sinister pes Orionis 1 Rigel 14.0° of Gemini -13° dagger
Canis maior 1 Sirius 10.0° of Cancer -18° dagger
Canis minor 1 Procyon 20.0° of Cancer dagger
Cor ♌ 1 Regulus 26.0° of Leo dagger
Luminosior lancis ♎ 2 Zubenelhakrabi 12.0° of Virgo -13° dagger
Spica ♍ 1 Spica 10.0° of Libra -9° dagger
Alramech 1 Arcturus 19.0° of Scorpio 24° dagger
Caput serpentary 2 Rasalhague 18.0° of Sagittarius 11° dagger
Crus ♒ 1 Skat 8.0° of Pisces -17° dagger

Nut & Bolt

The rete is attached using a nut & bolt.
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