Its story

HIP 81609 has a visual magnitude of about 10.13: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 81609: right ascension 16h 40m 4s, declination +39° 45′ 33″ (J2000), in the region of the Hercules constellation (IAU figure Her).

HIP 81609. It appears in classical and modern catalogs as HIP 81609, Gaia DR3 1355687838363969280. In the SkyKeepsake Hercules (Her) browse hub it sits with other stars of the same IAU figure.