Its story

HIP 21870 has a visual magnitude of about 8.88: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 21870: right ascension 4h 42m 9s, declination −1° 39′ 54″ (J2000), in the region of the Orion constellation (IAU figure Ori).

HIP 21870. It appears in classical and modern catalogs as HIP 21870, HD 29850, Gaia DR3 3229148007330896384. In the SkyKeepsake Orion (Ori) browse hub it sits with other stars of the same IAU figure.