Its story

HIP 21780 has a visual magnitude of about 8.25: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21780: right ascension 4h 40m 45s, declination +36° 50′ 60″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21780. It appears in classical and modern catalogs as HIP 21780, HD 29536, Gaia DR3 175207731939374464. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.