Its story

HIP 100557 has a visual magnitude of about 8.12: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 100557: right ascension 20h 23m 26s, declination +38° 56′ 21″ (J2000), in the region of the Cygnus constellation (IAU figure Cyg).

HIP 100557. It appears in classical and modern catalogs as HIP 100557, HD 194280, Gaia DR3 2061213083772814080. In the SkyKeepsake Cygnus (Cyg) browse hub it sits with other stars of the same IAU figure.