Date |
ca. 1800 |
Place |
North Africa |
Material |
Brass |
Inventory no. |
41460 |
Acquisition |
Presented by J. A. Billmeir in
1957 |
The rete is of the maghribi (four knobs) type. The
zodiac on the rete is labelled: الحمل , الثور , الجوزا ,
السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي
, الدلو , الحوت
Scales
Range & Units |
Numbered |
Geometry |
Location |
Ecliptic |
0 - 30 Degrees of ecliptic |
Not numbered |
Ecliptic |
ecliptic |
Stars
There are 24 stars on the rete marked with hook
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 |
دنب قيطوس |
Deneb Kaitos |
12.0° of Aries |
-14° |
hook |
راس غول |
Algol |
16.0° of Taurus |
39° |
hook |
الذبران |
Aldebaran |
6.0° of Gemini |
16° |
hook |
عيوق |
Capella |
15.0° of Gemini |
42° |
hook |
قدم الجوزا |
Rigel |
18.0° of Gemini |
-9° |
hook |
منكب الجوز |
Betelgeuse |
24.0° of Gemini |
9° |
hook |
الغبور |
Sirius |
7.0° of Cancer |
-15° |
hook |
الغمض |
Procyon |
22.0° of Cancer |
9° |
hook |
يد الذب |
Talitha Borealis |
12.0° of Leo |
41° |
hook |
شجاع |
Alphard |
13.0° of Leo |
-9° |
hook |
رجل داب |
Tania Australis |
26.0° of Leo |
39° |
hook |
الاغزل |
Spica |
19.0° of Virgo |
-10° |
hook |
الغرب |
Gienah |
17.0° of Libra |
-13° |
hook |
رامح |
Arcturus |
3.0° of Scorpio |
23° |
hook |
فكه |
Alphecca |
22.0° of Scorpio |
32° |
hook |
عنق الحية |
Unukalhai |
23.0° of Scorpio |
16° |
hook |
العقرب |
Antares |
29.0° of Scorpio |
-24° |
hook |
راس الحول |
Rasalhague |
28.0° of Sagittarius |
13° |
hook |
واقع |
Vega |
2.0° of Capricorn |
19° |
hook |
الطاير |
Altair |
22.0° of Capricorn |
10° |
hook |
الدلفين |
Deneb Dulfim |
6.0° of Aquarius |
22° |
hook |
ردف |
Deneb |
6.0° of Aquarius |
39° |
hook |
ذنب الجدي |
Deneb Algiedi |
24.0° of Aquarius |
-17° |
hook |
منكب فر |
Scheat |
9.0° of Pisces |
25° |
hook |
Horse Image:
Horse Image:
Pin & Horse
The rete is attached using a pin
& horse.