Its story

HIP 18421 has a visual magnitude of about 9.96: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 18421: right ascension 3h 56m 18s, declination +40° 51′ 44″ (J2000), in the region of the Perseus constellation (IAU figure Per).

HIP 18421. It appears in classical and modern catalogs as HIP 18421, HD 275921, Gaia DR3 230138989266819456. In the SkyKeepsake Perseus (Per) browse hub it sits with other stars of the same IAU figure.