How to see it
HIP 20817 has a visual magnitude of about 9.19: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 20817: right ascension 4h 27m 38s, declination +32° 50′ 54″ (J2000), in the region of the Auriga constellation (IAU figure Aur).
Catalog context
HIP 20817. It appears in classical and modern catalogs as HIP 20817, HD 28135, Gaia DR3 172462491922346112. In the SkyKeepsake Auriga (Aur) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 172462491922346112
- HIP
- 20817
- HD
- 28135
- gaia_dr3
- 172462491922346112
Also known as
- Gaia DR3 TOP 5M 172462491922346112
- HD 28135
Observed properties
- Visual magnitude
- 9.19