The modern constellation Octans

Octans

Octans is a faint constellation the southern sky. Its name is Latin for the eighth part of a circle, but it is named after the octant, a navigational instrument. The constellation was devised by Nicolas Louis de Lacaille in the eighteenth century....

is not included in the Three Enclosures

Three enclosures

The Three enclosures are the Purple Forbidden enclosure , Supreme Palace enclosure , and Heavenly Market enclosure in the Chinese constellation system....

 and Twenty-Eight Mansions

Twenty-eight mansions

The Twenty-eight Mansions , ', ' or ' are part of the Chinese constellations system. They can be considered as the equivalent to the zodiacal constellations in the Western astronomy, though the Twenty-eight Mansions reflect the movement of the Moon in a lunar month rather than the Sun in a solar year...

 system of traditional Chinese uranography because its stars are too far south for observers in China to know about them prior to the introduction of Western star charts. Based on the work of Xu Guangqi

Xu Guangqi

Xu Guangqi , was a Chinese scholar-bureaucrat, agricultural scientist, astronomer, and mathematician in the Ming Dynasty. Xu was a colleague and collaborator of the Italian Jesuits Matteo Ricci and Sabatino de Ursis and they translated several classic Western texts into Chinese, including part of...

 and the German Jesuit missionary Johann Adam Schall von Bell

Johann Adam Schall von Bell

Johann Adam Schall von Bell was a German Jesuit and astronomer. He spent most of his life as a missionary in China and became an adviser to the Chinese emperor.- Life :...

 in the late Ming Dynasty

Ming Dynasty

The Ming Dynasty, also Empire of the Great Ming, was the ruling dynasty of China from 1368 to 1644, following the collapse of the Mongol-led Yuan Dynasty. The Ming, "one of the greatest eras of orderly government and social stability in human history", was the last dynasty in China ruled by ethnic...

, this constellation has been classified under the 23 Southern Asterisms (近南極星區, Jìnnánjíxīngōu) with the names Snake's Tail (蛇尾, Shéwěi) and Exotic Bird (異雀, Yìquè).

Stars

The map of Chinese constellation in constellation Octans area consists of:

Four Symbols	Mansion (Chinese name)	Romanization	Translation	Asterisms (Chinese name)	Romanization	Translation	Western star name	Chinese star name	Romanization	Translation
-	近南極星區 (non-mansions)	Jìnnánjíxīngōu (non-mansions)	The Southern Asterisms (non-mansions)	蛇尾	Shéwěi	Snake's Tail
							γ1 Oct	蛇尾一	Shéwěiyī	1st star
							β Oct	蛇尾二	Shéwěièr	2nd star
							α Oct Alpha Octantis Alpha Octantis is a star in the constellation of Octans. It has an overall apparent visual magnitude of approximately 5.15 and is a spectroscopic binary star which consists of two giant stars, each with spectral type F, orbiting each other with a period of just over 9 days...	蛇尾三	Shéwěisān	3rd star
				異雀	Yìquè	Exotic Bird	δ Oct Delta Octantis Delta Octantis has the distinction of being Saturn's southern pole star....	異雀五	Yìquèwǔ	5th star