Its story

HIP 81577 has a visual magnitude of about 8.16: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 81577: right ascension 16h 39m 38s, declination +23° 0′ 5″ (J2000), in the region of the Hercules constellation (IAU figure Her).

HIP 81577. It appears in classical and modern catalogs as HIP 81577, Gaia DR3 1299581825877820928. In the SkyKeepsake Hercules (Her) browse hub it sits with other stars of the same IAU figure.