Its story

HIP 81231 has a visual magnitude of about 6.41: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 81231: right ascension 16h 35m 26s, declination +17° 3′ 26″ (J2000), in the region of the Serpens constellation (IAU figure Ser).

HIP 81231. It appears in classical and modern catalogs as HIP 81231, HD 149632, Gaia DR3 4466305777801795840. In the SkyKeepsake Serpens (Ser) browse hub it sits with other stars of the same IAU figure.