Its story

HIP 21580 has a visual magnitude of about 8.89: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 21580: right ascension 4h 38m 2s, declination −49° 48′ 45″ (J2000), in the region of the Caelum constellation (IAU figure Cae).

HIP 21580. It appears in classical and modern catalogs as HIP 21580, HD 29693, Gaia DR3 4787520605136144384. In the SkyKeepsake Caelum (Cae) browse hub it sits with other stars of the same IAU figure.