Its story

HIP 21520 has a visual magnitude of about 7.40: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21520: right ascension 4h 37m 16s, declination +44° 48′ 21″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21520. It appears in classical and modern catalogs as HIP 21520, Gaia DR3 253120087957069440. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.