How to see it
21 Aqr has a visual magnitude of about 4.95: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21 Aqr: right ascension 21h 25m 17s, declination −3° 33′ 25″ (J2000), in the region of the Equuleus constellation (IAU figure Equ).
Catalog context
21 Aqr. It appears in classical and modern catalogs as HIP 105767, HD 203926, Gaia DR3 2684391775892287616. In the SkyKeepsake Equuleus (Equ) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 2684391775892287616
- HIP
- 105767
- HD
- 203926
- gaia_dr3
- 2684391775892287616
- Bayer / Flamsteed
- 21 Aqr
Observed properties
- Visual magnitude
- 4.95