Its story

HIP 21666 has a visual magnitude of about 6.02: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 21666: right ascension 4h 39m 4s, declination −51° 40′ 22″ (J2000), in the region of the Dorado constellation (IAU figure Dor).

HIP 21666. It appears in classical and modern catalogs as HIP 21666, HD 29805, Gaia DR3 4778296149256665728. In the SkyKeepsake Dorado (Dor) browse hub it sits with other stars of the same IAU figure.