Its story

HIP 139 has a visual magnitude of about 9.33: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.

Equatorial coordinates for HIP 139: right ascension 0h 1m 47s, declination +67° 30′ 25″ (J2000), in the region of the Cassiopeia constellation (IAU figure Cas).

HIP 139. It appears in classical and modern catalogs as HIP 139, Gaia DR3 528594342521399168. In the SkyKeepsake Cassiopeia (Cas) browse hub it sits with other stars of the same IAU figure.