Its story

HIP 90939 has a visual magnitude of about 6.44: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 90939: right ascension 18h 33m 2s, declination −16° 33′ 37″ (J2000), in the region of the Scutum constellation (IAU figure Sct).

HIP 90939. It appears in classical and modern catalogs as HIP 90939, HD 170991, Gaia DR3 4102805103454380544. In the SkyKeepsake Scutum (Sct) browse hub it sits with other stars of the same IAU figure.