How to see it
21 Peg has a visual magnitude of about 5.82: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 21 Peg: right ascension 22h 3m 19s, declination +11° 23′ 12″ (J2000), in the region of the Equuleus constellation (IAU figure Equ).
Catalog context
21 Peg. It appears in classical and modern catalogs as HIP 108875, HD 209459, Gaia DR3 2728099321601525504. In the SkyKeepsake Equuleus (Equ) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 2728099321601525504
- HIP
- 108875
- HD
- 209459
- gaia_dr3
- 2728099321601525504
- Bayer / Flamsteed
- 21 Peg
Observed properties
- Visual magnitude
- 5.82