How to see it
21 Cet has a visual magnitude of about 5.90: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21 Cet: right ascension 0h 54m 18s, declination −8° 44′ 27″ (J2000), in the region of the Cetus constellation (IAU figure Cet).
Catalog context
21 Cet. It appears in classical and modern catalogs as HIP 4257, HD 5268, Gaia DR3 2474456351444863744. In the SkyKeepsake Cetus (Cet) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 2474456351444863744
- HIP
- 4257
- HD
- 5268
- gaia_dr3
- 2474456351444863744
- Bayer / Flamsteed
- 21 Cet
Observed properties
- Visual magnitude
- 5.90