21504+1626
- Unique Name: 21504+1626UC 4580
- RA: 21 50 21.71
- Dec: +16 26 23.4
- Discoverer: UC
- Discoverer Number: 4580
- Components:
- First year: 1997
- Last year: 2001
- Observations: 2
- First position angle: 88
- Last position angle: 88
- First separation: 26.3
- Last separation: 26.4
- Mag first component: 14.9
- Mag second component: 15.37
- Spectral type:
- Primary proper motion RA: 57
- Primary proper motion DEC: 40
- Secondary proper motion RA: 57
- Secondary proper motion DEC: 42
- Durchmusterung:
- Notes: V