How to see it
HIP 21971 has a visual magnitude of about 8.84: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 21971: right ascension 4h 43m 21s, declination −48° 50′ 3″ (J2000), in the region of the Caelum constellation (IAU figure Cae).
Catalog context
HIP 21971. It appears in classical and modern catalogs as HIP 21971, HD 30242, Gaia DR3 4785021075905984512. In the SkyKeepsake Caelum (Cae) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 4785021075905984512
- HIP
- 21971
- HD
- 30242
- gaia_dr3
- 4785021075905984512
Also known as
- Gaia DR3 TOP 5M 4785021075905984512
- HD 30242
Observed properties
- Visual magnitude
- 8.84