Its story

HIP 21900 has a visual magnitude of about 7.64: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21900: right ascension 4h 42m 32s, declination −20° 58′ 23″ (J2000), in the region of the Lepus constellation (IAU figure Lep).

HIP 21900. It appears in classical and modern catalogs as HIP 21900, HD 29961, Gaia DR3 2977091769892115968. In the SkyKeepsake Lepus (Lep) browse hub it sits with other stars of the same IAU figure.