How to see it
21 Cnc has a visual magnitude of about 5.42: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21 Cnc: right ascension 8h 23m 55s, declination +10° 37′ 55″ (J2000), in the region of the Cancer constellation (IAU figure Cnc).
Catalog context
21 Cnc. It appears in classical and modern catalogs as HIP 41163, HD 70734, Gaia DR3 600978285351788800. In the SkyKeepsake Cancer (Cnc) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 600978285351788800
- HIP
- 41163
- HD
- 70734
- gaia_dr3
- 600978285351788800
- Bayer / Flamsteed
- 21 Cnc
Also known as
- Gaia DR3 TOP 5M 600978285351788800
- HD 70734
- HIP 41163
Observed properties
- Visual magnitude
- 5.42