Its story

4 Ser has a visual magnitude of about 5.59: under a reasonably dark sky it is typically reachable with the unaided eye.

Equatorial coordinates for 4 Ser: right ascension 15h 15m 49s, declination +0° 22′ 20″ (J2000), in the region of the Serpens constellation (IAU figure Ser).

4 Ser. It appears in classical and modern catalogs as HIP 74689, HD 135559, Gaia DR3 4419087491463629952. In the SkyKeepsake Serpens (Ser) browse hub it sits with other stars of the same IAU figure.