[3] For example, Deneb (α Cyg) is referred to as 天津四 (Tiān Jīn Sì, the Fourth Star of Celestial Ford).
In the Qing dynasty, Chinese knowledge of the sky was improved by the arrival of European star charts.
For example, γ Cephei is referred to as 少衛增八 (Shào Wèi Zēng Bā, 8th Added Star of Second Imperial Guard).
The Purple Forbidden Enclosure (紫微垣 Zǐ Wēi Yuán) occupies the region around the north celestial pole and represents the imperial palace.
Added Stars The Supreme Palace Enclosure (太微垣, Tài Wēi Yuán) represents the imperial court.
Added Stars The Heavenly Market Enclosure (天市垣, Tiān Shì Yuán) represents the emperor's realm.
It corresponds to constellations Aquila, Boötes, Corona Borealis, Draco, Hercules, Ophiuchus, Sagitta, Serpens and Vulpecula.
Added Stars The Ox mansion corresponds to constellations Aquila, Capricornus, Cygnus, Delphinus, Lyra, Microscopium, Sagitta, Sagittarius and Vulpecula.
Added Stars The Girl mansion corresponds to constellations Aquarius, Aquila, Capricornus, Cygnus, Draco and Delphinus.
Added Stars The Ruins[12] mansion (also translated as Emptiness) corresponds to constellations Aquarius, Capricornus, Delphinus, Equuleus, Grus, Microscopium, Pegasus and Piscis Austrinus.
Added Stars The Rooftop mansion corresponds to constellations Andromeda, Aquarius, Cepheus, Cygnus, Draco, Lacerta, Pegasus, Piscis Austrinus and Vulpecula.
Added Stars The Encampment mansion corresponds to constellations Andromeda, Aquarius, Capricornus, Cassiopeia, Cepheus, Cygnus, Lacerta, Pegasus, Pisces and Piscis Austrinus.
Added Stars The final seven mansions represents the Vermilion Bird, creature of the direction south and the element Fire.
Added Stars The Ghosts Mansion corresponds to constellations Cancer, Gemini, Hydra, Monoceros, Puppis, Pyxis and Vela.