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Proper Name	None
Bayer Designation	Alpha Octantis
Flamsteed Number	None
HR (BSC)	8021
HD	199532
Constellation	Octans
Right Ascension	21h 4m 43s
Declination	-77° 1' 26"
Distance	147 light years 45 parsecs
Magnitude	Apparent: +5.13 Absolute: +1.86
Spectral Class	F4III+F5III binary pair of bright yellow stars
Optimum Visibility	August (usually visible from southern latitudes)

Imagery provided by Aladin sky atlas

A constellation's alpha star is, in most cases, its brightest and most prominent. Alpha Octantis, though, is a significant exception to this rule: at magnitude +5.13, it is very faint indeed; at least three other of Octans' stars are brighter.

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