How to see it
Yildun has a visual magnitude of about 4.32: under a reasonably dark sky it is typically reachable with the unaided eye.
Sky position
Equatorial coordinates for Yildun: right ascension 17h 32m 13s, declination +86° 35′ 12″ (J2000), on the celestial sphere.
Catalog context
Yildun. It appears in classical and modern catalogs as Bayer/Flamsteed designation 23Del UMi, HIP 85822, HD 166205, Gaia DR3 1724851173788449536.
Catalog identifiers
- Gaia
- Gaia DR3 1724851173788449536
- HIP
- 85822
- HD
- 166205
- gaia_dr3
- 1724851173788449536
- Bayer / Flamsteed
- 23Del UMi
Also known as
- 23Del UMi
- Gaia DR3 TOP 5M 1724851173788449536
- HD 166205
- HIP 85822
Observed properties
- Visual magnitude
- 4.32