Antlia

Ant · genitive Antliae · southern sky

The Antlia figure as the IAU defines it, drawn looking south with east to the left — the orientation you see standing outside.

At a glance

Catalogued stars
42
Visible to the eye
42 stars
Brightest star
Alp Ant (4.28)
Best seen
February
Declination span
-37.1° to -31.1°
Nearest star
HD 88742 · 74.5 ly

Visible from everywhere south of about 53°N.

When and where to look for Antlia

Antlia crosses the meridian — its highest point in the sky — at local midnight around February, which makes the months from January to March the easiest time to find it in the evening. It spans declinations -37.1° to -31.1°, so visible from everywhere south of about 53°N.

The quickest way to find it is to open the live AR sky map and point your phone at the sky — if Antlia is above your horizon right now, its figure is drawn in the position it genuinely occupies above you.

Brightest stars in Antlia

StarMagTypeDistance
Alp Ant4.28K4III366.1 ly
Eps Ant4.51K3III710.6 ly
Iot Ant4.60K0III190.1 ly
The Ant4.78A7V+...339.4 ly
Eta Ant5.23A8IV108.6 ly
HD 901325.34A8V135.2 ly

Magnitude runs backwards: lower numbers are brighter, and anything below about 6.5 is beyond the naked eye under a dark sky.

What Antlia is made of

The catalogue lists 42 stars within Antlia, of which 42 are magnitude 6.5 or brighter — the limit of what an unaided eye picks up under a genuinely dark sky. The rest need binoculars or a telescope.

Spectral make-up

B3
A13
F3
G5
K17

Spectral class is a temperature ordering, running from O at around 30,000 K down to M below 3,500 K. A constellation is a direction, not a group, so this is simply what happens to lie along that line of sight.

The closest catalogued star in this direction is HD 88742 at 74.5 light years. The most distant is HD 89353 at roughly 2,652 light years — stars that appear side by side here are nothing of the sort.

Nearby constellations