Its story

HIP 100431 has a visual magnitude of about 7.18: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 100431: right ascension 20h 21m 57s, declination +7° 10′ 18″ (J2000), in the region of the Delphinus constellation (IAU figure Del).

HIP 100431. It appears in classical and modern catalogs as HIP 100431, HD 193799, Gaia DR3 4249940787312020992. In the SkyKeepsake Delphinus (Del) browse hub it sits with other stars of the same IAU figure.