21420+1856
- Unique Name: 21420+1856DAM 16CD
- RA: 21 41 54.47
- Dec: +18 56 15.3
- Discoverer: DAM
- Discoverer Number: 16
- Components: CD
- First year: 2000
- Last year: 2001
- Observations: 2
- First position angle: 89
- Last position angle: 89
- First separation: 3.5
- Last separation: 3.5
- Mag first component: 13.3
- Mag second component: 14.3
- Spectral type:
- Primary proper motion RA: -49
- Primary proper motion DEC: 5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N