Its story

HIP 21637 has a visual magnitude of about 7.38: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21637: right ascension 4h 38m 51s, declination +23° 8′ 59″ (J2000), in the region of the Taurus constellation (IAU figure Tau).

HIP 21637. It appears in classical and modern catalogs as HIP 21637, HD 29419, Gaia DR3 146677879098433152. In the SkyKeepsake Taurus (Tau) browse hub it sits with other stars of the same IAU figure.