How to see it
21Nu Lib has a visual magnitude of about 4.56: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21Nu Lib: right ascension 15h 6m 38s, declination −16° 15′ 25″ (J2000), on the celestial sphere.
Catalog context
21Nu Lib. It appears in classical and modern catalogs as HIP 73945, HD 133774, Gaia DR3 6306084740216143616.
Catalog identifiers
- Gaia
- Gaia DR3 6306084740216143616
- HIP
- 73945
- HD
- 133774
- gaia_dr3
- 6306084740216143616
- Bayer / Flamsteed
- 21Nu Lib
Observed properties
- Visual magnitude
- 4.56