21117+4849
- Unique Name: 21117+4849COU2651
- RA: 21 11 41.68
- Dec: +48 48 52.0
- Discoverer: COU
- Discoverer Number: 2651
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 16
- Last position angle: 16
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 9.6
- Mag second component: 12.1
- Spectral type: A0
- Primary proper motion RA: 5
- Primary proper motion DEC: -5
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +48 3303
- Notes: