Date |
1350/1 (A.H. 751) |
Place |
Persia (?) |
Material |
Silver |
Inventory no. |
41106 |
Acquisition |
Purchased from Malcolm Gardner
in 1955 |
The rete is of the foliate (single knob) type. The
pointer for Vega is shaped like a birdThe zodiac on the rete
is labelled: حمل , ثور , جوزا , شرطان , اسد , سنبله , ميزان ,
عقرب , قوس , جدى , دلو , حوت
Scales
Range & Units |
Numbered |
Geometry |
Location |
Ecliptic |
0 - 30 Zodiacal divisions, equal or unequal |
Not numberered |
Ecliptic |
ecliptic |
Stars
There are 21 stars on the rete marked with
foliate 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 |
?? |
|
0.0° of Taurus |
12° |
foliate |
?? |
|
16.0° of Taurus |
8° |
foliate |
رجل جوزا |
Rigel |
8.0° of Gemini |
-10° |
foliate |
?? |
|
11.0° of Gemini |
9° |
foliate |
سمانيح |
Sirius |
6.0° of Cancer |
-17° |
foliate |
سانه |
Procyon |
20.0° of Cancer |
7° |
foliate |
فرد |
Alphard |
14.0° of Leo |
-5° |
foliate |
قلب اسد |
Regulus |
26.0° of Leo |
12° |
foliate |
عزل |
Spica |
18.0° of Libra |
-14° |
foliate |
قاديه |
Alkaid |
24.0° of Libra |
52° |
foliate |
ردف |
Arcturus |
26.0° of Libra |
21° |
foliate |
حفه |
Alphecca |
10.0° of Scorpio |
19° |
foliate |
قلب عقرب |
Antares |
2.0° of Sagittarius |
-26° |
foliate |
حوا |
Rasalhague |
16.0° of Sagittarius |
14° |
foliate |
وسد |
Vega |
7.0° of Capricorn |
33° |
foliate |
طر |
Altair |
18.0° of Capricorn |
7° |
foliate |
فم |
Enif |
14.0° of Aquarius |
6° |
foliate |
ذنب جدى |
Deneb Algiedi |
19.0° of Aquarius |
-17° |
foliate |
?? |
|
4.0° of Pisces |
19° |
foliate |
خطب |
Caph |
17.0° of Pisces |
41° |
foliate |
ذنب قطس |
Deneb Kaitos |
22.0° of Pisces |
-11° |
foliate |
Pin Image:
Horse Image:
Horse Image:
Pin Image:
Pin & Wedge
The rete is attached using a pin
& wedge.