Octans

Oct
Rank: #50
291 sq. deg.

Octans is a faint constellation located in the deep Southern Sky. Its name is Latin for the eighth part of a circle, but it is named after the octant, a navigational instrument. Devised by French astronomer Nicolas Louis de Lacaille in 1752, Octans remains one of the 88 modern constellations.

IAU constellation map showing the boundaries and main stars

Octans

Genitive Octantis
Symbolism The Octans
Right ascension 22h 00m 00s
Declination -85° 00' 00"
Area
Area rank 50
Brightest star
Best visible at 21:00 Variable

Deep-Sky Objects Summary

35
Brightest Stars
0
Open Clusters
0
Globular Clusters
15
Galaxies
0
Nebulae

Brightest Stars

Designation Name Apparent magnitude Right ascension Declination Spectral type

Galaxies

Designation Name Apparent magnitude Right ascension Declination Type