How to see it
21 Com has a visual magnitude of about 5.43: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21 Com: right ascension 12h 31m 1s, declination +24° 34′ 2″ (J2000), in the region of the Coma Berenices constellation (IAU figure Com).
Catalog context
21 Com. It appears in classical and modern catalogs as HIP 61071, HD 108945, Gaia DR3 3959965486205062528. In the SkyKeepsake Coma Berenices (Com) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 3959965486205062528
- HIP
- 61071
- HD
- 108945
- gaia_dr3
- 3959965486205062528
- Bayer / Flamsteed
- 21 Com
Observed properties
- Visual magnitude
- 5.43