Its story

HIP 21738 has a visual magnitude of about 6.54: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21738: right ascension 4h 40m 5s, declination +39° 47′ 18″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21738. It appears in classical and modern catalogs as HIP 21738, HD 29458, Gaia DR3 202789874475976704. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.