How to see it
21 Pup has a visual magnitude of about 6.29: it usually needs binoculars or a small telescope, especially from light-polluted sites.
Sky position
Equatorial coordinates for 21 Pup: right ascension 8h 17m 23s, declination −16° 17′ 7″ (J2000), in the region of the Puppis constellation (IAU figure Pup).
Catalog context
21 Pup. It appears in classical and modern catalogs as HIP 40604, HD 69665, Gaia DR3 5721308583333794944. In the SkyKeepsake Puppis (Pup) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 5721308583333794944
- HIP
- 40604
- HD
- 69665
- gaia_dr3
- 5721308583333794944
- Bayer / Flamsteed
- 21 Pup
Observed properties
- Visual magnitude
- 6.29