Its story

HIP 21671 has a visual magnitude of about 9.70: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 21671: right ascension 4h 39m 8s, declination +43° 55′ 20″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21671. It appears in classical and modern catalogs as HIP 21671, HD 276575, Gaia DR3 252789749137871360. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.