Its story

HIP 21390 has a visual magnitude of about 8.20: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21390: right ascension 4h 35m 31s, declination +33° 16′ 20″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21390. It appears in classical and modern catalogs as HIP 21390, HD 29022, Gaia DR3 172150264980958720. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.