How to see it
HIP 21331 has a visual magnitude of about 9.50: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 21331: right ascension 4h 34m 42s, declination −76° 6′ 43″ (J2000), in the region of the Mensa constellation (IAU figure Men).
Catalog context
HIP 21331. It appears in classical and modern catalogs as HIP 21331, HD 29947, Gaia DR3 4628046583946758144. In the SkyKeepsake Mensa (Men) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 4628046583946758144
- HIP
- 21331
- HD
- 29947
- gaia_dr3
- 4628046583946758144
Also known as
- Gaia DR3 TOP 5M 4628046583946758144
- HD 29947
Observed properties
- Visual magnitude
- 9.50