Its story

HIP 21788 has a visual magnitude of about 8.68: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 21788: right ascension 4h 40m 49s, declination +23° 48′ 34″ (J2000), in the region of the Taurus constellation (IAU figure Tau).

HIP 21788. It appears in classical and modern catalogs as HIP 21788, HD 29621, Gaia DR3 146821331005982336. In the SkyKeepsake Taurus (Tau) browse hub it sits with other stars of the same IAU figure.