02181+5731
- Unique Name: 02181+5731BU 1170A,BC
- RA: 02 18 04.58
- Dec: +57 30 58.7
- Discoverer: BU
- Discoverer Number: 1170
- Components: A,BC
- First year: 1835
- Last year: 2013
- Observations: 12
- First position angle: 354
- Last position angle: 358
- First separation: 65.0
- Last separation: 68.7
- Mag first component: 6.11
- Mag second component: 10.8
- Spectral type: G7III
- Primary proper motion RA: -13
- Primary proper motion DEC: -2
- Secondary proper motion RA: 25
- Secondary proper motion DEC: -12
- Durchmusterung: +56 486
- Notes: N