How to see it
HIP 18421 has a visual magnitude of about 9.96: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 18421: right ascension 3h 56m 18s, declination +40° 51′ 44″ (J2000), in the region of the Perseus constellation (IAU figure Per).
Catalog context
HIP 18421. It appears in classical and modern catalogs as HIP 18421, HD 275921, Gaia DR3 230138989266819456. In the SkyKeepsake Perseus (Per) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 230138989266819456
- HIP
- 18421
- HD
- 275921
- gaia_dr3
- 230138989266819456
Also known as
- Gaia DR3 TOP 5M 230138989266819456
- HD 275921
Observed properties
- Visual magnitude
- 9.96