12291+3123
- Unique Name: 12291+3123STT 251
- RA: 12 29 07.72
- Dec: +31 23 25.4
- Discoverer: STT
- Discoverer Number: 251
- Components:
- First year: 1843
- Last year: 2010
- Observations: 76
- First position angle: 123
- Last position angle: 58
- First separation: 0.4
- Last separation: 0.7
- Mag first component: 8.35
- Mag second component: 9.27
- Spectral type: G0
- Primary proper motion RA: 148
- Primary proper motion DEC: -41
- Secondary proper motion RA: 148
- Secondary proper motion DEC: -41
- Durchmusterung: +32 2250
- Notes: O
