21176+8231
- Unique Name: 21176+8231STF2807
- RA: 21 17 33.47
- Dec: +82 31 03.7
- Discoverer: STF
- Discoverer Number: 2807
- Components:
- First year: 1829
- Last year: 2011
- Observations: 41
- First position angle: 315
- Last position angle: 307
- First separation: 1.9
- Last separation: 1.8
- Mag first component: 8.65
- Mag second component: 8.77
- Spectral type: F8
- Primary proper motion RA: 12
- Primary proper motion DEC: 82
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 82
- Durchmusterung: +81 737
- Notes: