Its story

HIP 81903 has a visual magnitude of about 6.18: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 81903: right ascension 16h 43m 46s, declination −41° 7′ 10″ (J2000), in the region of the Norma constellation (IAU figure Nor).

HIP 81903. It appears in classical and modern catalogs as HIP 81903, HD 150573, Gaia DR3 5968253917100321152. In the SkyKeepsake Norma (Nor) browse hub it sits with other stars of the same IAU figure.