Its story

HIP 91589 has a visual magnitude of about 6.79: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 91589: right ascension 18h 40m 44s, declination −47° 1′ 38″ (J2000), in the region of the Telescopium constellation (IAU figure Tel).

HIP 91589. It appears in classical and modern catalogs as HIP 91589, HD 172128, Gaia DR3 6705401318747806592. In the SkyKeepsake Telescopium (Tel) browse hub it sits with other stars of the same IAU figure.