The Colour of Magic- Apparent magnitude (Wikipedia)
Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object. An object’s apparent magnitude depends on its intrinsic luminosity, its distance, and any extinction of the object’s light caused by interstellar dust along the line of sight to the observer.
- Liessa Dragonlady (Wikipedia)
Liessa Dragonlady, is the daughter of the lord of the Wyrmberg, and leader of the dragon-riders appearing in the first Discworld novel, The Colour of Magic. An archetypal fantasy barbarian woman, she has curves and chestnut-red hair, and wears almost nothing but a chainmail harness.