Its story

HIP 10139 has a visual magnitude of about 7.07: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 10139: right ascension 2h 10m 24s, declination +56° 17′ 49″ (J2000), in the region of the Cassiopeia constellation (IAU figure Cas).

HIP 10139. It appears in classical and modern catalogs as HIP 10139, HD 13149, Gaia DR3 457045306977395072. In the SkyKeepsake Cassiopeia (Cas) browse hub it sits with other stars of the same IAU figure.