21176+2915
- Unique Name: 21176+2915COU 835AC
- RA: 21 17 36.32
- Dec: +29 14 55.3
- Discoverer: COU
- Discoverer Number: 835
- Components: AC
- First year: 1972
- Last year: 2002
- Observations: 3
- First position angle: 249
- Last position angle: 248
- First separation: 15.0
- Last separation: 12.2
- Mag first component: 9.5
- Mag second component: 12.0
- Spectral type: A0
- Primary proper motion RA: 3
- Primary proper motion DEC: -3
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: