Planetary auges
| Type: | Planetary auges |
| Geometry: | Circular, concentric |
| Unit of measurement: | Degrees |
| (Numbering) starts at: | 0 |
| (Numbering) ends at: | 30 |
| Numbered: | every 10 |
| Repeats: | 12 times |
| Divided every: | 10 (Degrees) |
| then every: | 5 (Degrees) |
| Notes: | There are five concentric auges scales |
Scale located on: Tympan, Womb or Back .