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Kaus Australis

Also known as ε Sgr · HR 6879

Kaus Australis is a high proper motion star in the constellation Sagittarius, about 140 light-years from Earth.

Kaus Australis: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeHigh proper motion star (spectral type B9IVp_lB?)
ConstellationSagittarius
Position (J2000)18h 24m 10s, −34° 23′
Distance140 light-years (its light set off about 140 years ago)
Brightnessmagnitude 1.81 (smaller is brighter; the faintest stars the eye sees are about 6)
Size on the sky0′ (the full Moon is about 31′)
Studied in223 scientific papers (SIMBAD)

When and how to see it

Kaus Australis is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 36° above the horizon; from 50° N, to about 6°. To see it you need the naked eye, even from a town.

Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.

For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.

More in Sagittarius

Everything in Sagittarius · All 88 constellations · All sky objects

Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits