Its story

HIP 21907 has a visual magnitude of about 7.79: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21907: right ascension 4h 42m 38s, declination +36° 18′ 42″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21907. It appears in classical and modern catalogs as HIP 21907, HD 29743, Gaia DR3 175119702289928832. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.