Its story

HIP 21902 has a visual magnitude of about 7.89: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21902: right ascension 4h 42m 37s, declination +38° 23′ 23″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21902. It appears in classical and modern catalogs as HIP 21902, HD 29723, Gaia DR3 199637402840939520. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.