How to see it
HIP 20644 has a visual magnitude of about 10.55: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 20644: right ascension 4h 25m 27s, declination +23° 44′ 18″ (J2000), in the region of the Taurus constellation (IAU figure Tau).
Catalog context
HIP 20644. It appears in classical and modern catalogs as HIP 20644, HD 284421, Gaia DR3 149221320075661056. In the SkyKeepsake Taurus (Tau) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 149221320075661056
- HIP
- 20644
- HD
- 284421
- gaia_dr3
- 149221320075661056
Also known as
- Gaia DR3 TOP 5M 149221320075661056
- HD 284421
Observed properties
- Visual magnitude
- 10.55