Its story

HIP 100239 has a visual magnitude of about 6.58: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 100239: right ascension 20h 19m 48s, declination +37° 7′ 57″ (J2000), in the region of the Cygnus constellation (IAU figure Cyg).

HIP 100239. It appears in classical and modern catalogs as HIP 100239, HD 193621, Gaia DR3 2060583579014390528. In the SkyKeepsake Cygnus (Cyg) browse hub it sits with other stars of the same IAU figure.