The brightest star in the Octans constellation is Polaris Australis, also known as σ Octantis.

Its right ascension and declination are:

* Right Ascension: 21h 58m 28.7s

* Declination: -88° 57' 23.3"

Keep in mind that these coordinates are for the epoch J2000.0, a standard reference point for astronomical measurements. The coordinates will shift slightly over time due to precession.