Universal
The back contains a universal with a
Azarquiel/Saphea/Gemma Frisius projection. The universal
contains the following:
|
Angle of inclination |
Direction of inclination |
Labelled |
Language |
Script |
Line style |
Notes |
| Tropic of Cancer |
N/A |
N/A |
|
|
|
Plain |
|
| Tropic of Capricorn |
N/A |
N/A |
|
|
|
Plain |
|
| Ecliptic |
23 |
Top-right/bottom-left |
|
|
|
Plain |
|
The universal contains the following meridians:
| Interval |
Style of line |
Number style |
Description |
| 2° |
Plain |
N/A |
The hour lines are denoted by dotted lines |
| 15° |
Dotted |
European Modern |
The hour lines are numbered 1-12 along the Tropic of
Cancer and again 12-1 along the Tropic of Capricorn |
The universal contains the following parallels:
| Range |
Interval |
Style of line |
Number style |
Description |
| |
2° |
Plain |
N/A |
Every fifth line, i.e., every 10°, is denoted by a
hatched line |
The universal contains scales of the following types:
| Type |
Range & Units |
Numbered |
Geometry |
Location |
| Degree |
0 - 90, Degrees |
Every 10 degrees |
Circular, concentric |
None |
More
information
Stars
The universal contains the following stars.
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 |
| OCV☆ ♉ |
Aldebaran |
2.0° of Gemini |
15° |
engraved |
| CA☆MAI |
Sirius |
8.0° of Gemini |
-15° |
engraved |
| HIR☆CVS |
Capella |
12.0° of Gemini |
46° |
engraved |
| ORIO☆SI |
Rigel |
13.0° of Gemini |
-9° |
engraved |
| CA☆MI |
Procyon |
19.0° of Cancer |
4° |
engraved |
| COR☆ ♌ |
Regulus |
26.0° of Leo |
15° |
engraved |
| SPI☆CA ♍ |
Spica |
15.0° of Virgo |
-9° |
engraved |
| ARC☆TVRVS |
Arcturus |
29.0° of Libra |
22° |
engraved |
