20307+1718
- Unique Name: 20307+1718BPM2178
- RA: 20 30 43.56
- Dec: +17 18 29.8
- Discoverer: BPM
- Discoverer Number: 2178
- Components:
- First year: 1995
- Last year: 2001
- Observations: 3
- First position angle: 217
- Last position angle: 217
- First separation: 110.0
- Last separation: 110.0
- Mag first component: 13.2
- Mag second component: 14.68
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -14
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: NV
