How to see it
HIP 21739 has a visual magnitude of about 8.57: it is a telescope star and remains difficult or invisible to the naked eye even in good conditions.
Sky position
Equatorial coordinates for HIP 21739: right ascension 4h 40m 6s, declination +0° 33′ 2″ (J2000), in the region of the Orion constellation (IAU figure Ori).
Catalog context
HIP 21739. It appears in classical and modern catalogs as HIP 21739, HD 29634, Gaia DR3 3230853624743087104. In the SkyKeepsake Orion (Ori) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 3230853624743087104
- HIP
- 21739
- HD
- 29634
- gaia_dr3
- 3230853624743087104
Also known as
- Gaia DR3 TOP 5M 3230853624743087104
- HD 29634
Observed properties
- Visual magnitude
- 8.57