Its story

HIP 16621 has a visual magnitude of about 9.37: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 16621: right ascension 3h 33m 53s, declination +34° 17′ 6″ (J2000), in the region of the Perseus constellation (IAU figure Per).

HIP 16621. It appears in classical and modern catalogs as HIP 16621, HD 278813, Gaia DR3 221099148258968064. In the SkyKeepsake Perseus (Per) browse hub it sits with other stars of the same IAU figure.