How to see it
HIP 21817 has a visual magnitude of about 9.59: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 21817: right ascension 4h 41m 19s, declination +29° 18′ 18″ (J2000), in the region of the Auriga constellation (IAU figure Aur).
Catalog context
HIP 21817. It appears in classical and modern catalogs as HIP 21817, HD 282388, Gaia DR3 158106752713803904. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 158106752713803904
- HIP
- 21817
- HD
- 282388
- gaia_dr3
- 158106752713803904
Also known as
- Gaia DR3 TOP 5M 158106752713803904
- HD 282388
Observed properties
- Visual magnitude
- 9.59