Its story

HIP 90591 has a visual magnitude of about 9.18: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 90591: right ascension 18h 29m 9s, declination −78° 20′ 33″ (J2000), in the region of the Octans constellation (IAU figure Oct).

HIP 90591. It appears in classical and modern catalogs as HIP 90591, HD 168177, Gaia DR3 6364936615490609152. In the SkyKeepsake Octans (Oct) browse hub it sits with other stars of the same IAU figure.