Its story

HIP 81643 has a visual magnitude of about 7.93: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 81643: right ascension 16h 40m 42s, declination −39° 52′ 57″ (J2000), in the region of the Scorpius constellation (IAU figure Sco).

HIP 81643. It appears in classical and modern catalogs as HIP 81643, HD 150108, Gaia DR3 5969399986184494080. In the SkyKeepsake Scorpius (Sco) browse hub it sits with other stars of the same IAU figure.