How to see it
45 Eri has a visual magnitude of about 4.51: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for 45 Eri: right ascension 4h 31m 53s, declination −0° 2′ 39″ (J2000), in the region of the Taurus constellation (IAU figure Tau).
Catalog context
45 Eri. It appears in classical and modern catalogs as HIP 21139, HD 28749, Gaia DR3 3230572046686872192. In the SkyKeepsake Taurus (Tau) browse hub it sits with other stars of the same IAU figure.
Catalog identifiers
- Gaia
- Gaia DR3 3230572046686872192
- HIP
- 21139
- HD
- 28749
- gaia_dr3
- 3230572046686872192
- Bayer / Flamsteed
- 45 Eri
Observed properties
- Visual magnitude
- 4.51