Astrolabe Catalogue

 

Image of the tympan or plate - click for larger version
Tympan 5a
Latitude 66°0'
This plate is engraved with ecliptic coordinates.

Almucantars

Divisions Labelled Style
Divided every 3° from 0° to 90° Labelled every 3° with   (Abdjad) numerals Plain line.

Azimuths

Divisions Labelled Style
Divided every 10°  Labelled every 10° with   (Abdjad) numerals Plain line.

Circles

Type Labelled Style Notes
Equator Dotted line.
Tropic of Cancer Dotted line.
Tropic of Capricorn Plain line.

Scales


Type Range & Units Numbered Geometry Location
Zodiacal signs 0 - 30 Zodiacal divisions, equal or unequal Every 10  Ecliptic n/a
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