Its story

HIP 21800 has a visual magnitude of about 8.75: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 21800: right ascension 4h 41m 1s, declination +48° 40′ 5″ (J2000), in the region of the Auriga constellation (IAU figure Aur).

HIP 21800. It appears in classical and modern catalogs as HIP 21800, Gaia DR3 257542632965884032. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.