Its story

HIP 90870 has a visual magnitude of about 6.74: it usually needs binoculars or a small telescope, especially from light-polluted sites.

Equatorial coordinates for HIP 90870: right ascension 18h 32m 13s, declination −19° 7′ 26″ (J2000), in the region of the Scutum constellation (IAU figure Sct).

HIP 90870. It appears in classical and modern catalogs as HIP 90870, HD 170820, Gaia DR3 4093279759336089856. In the SkyKeepsake Scutum (Sct) browse hub it sits with other stars of the same IAU figure.