Ascella

Ascella (ζ Sagittarii) is a white giant star in the constellation Sagittarius. With an apparent magnitude of 2.6 it is the 100th-brightest star in the night sky.

Finder chart showing where Ascella is in the constellation Sagittarius
Ascella (circled) in Sagittarius, with the surrounding constellations and bright stars.
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Facts

ConstellationSagittarius
Designationζ Sagittarii (Zeta Sagittarii), HR 7194
Apparent magnitude2.6 (100th brightest)
Spectral typeA2III+A4IV
Colorwhite (B−V 0.08)
Distance—
Right ascension19 h 2.6 min
Declination−29.88°
Best monthAugust (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Ascella

Ascella is in Sagittarius. From 40° N it is highest in the south in August evenings, about 20° above the horizon. From 35° S it reaches about 85° in the north. Nearby bright stars: Nunki (4° away), Kaus Australis (9° away) and Shaula (20° away).

Sagittarius constellation →

Other named stars in Sagittarius

Kaus AustralisNunkiKaus MediaKaus BorealisAlbaldahAlnaslPolisRukbatArkab PriorArkab PosteriorTerebellumAinalrami

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