How to see it
51 Oph has a visual magnitude of about 4.75: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 51 Oph: right ascension 17h 31m 25s, declination −23° 57′ 46″ (J2000), in the region of the Scorpius constellation (IAU figure Sco).
Catalog context
51 Oph. It appears in classical and modern catalogs as HIP 85755, HD 158643, Gaia DR3 4110602530665608064. In the SkyKeepsake Scorpius (Sco) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 4110602530665608064
- HIP
- 85755
- HD
- 158643
- gaia_dr3
- 4110602530665608064
- Bayer / Flamsteed
- 51 Oph
Observed properties
- Visual magnitude
- 4.75