18308+1803
- Unique Name: 18308+1803BPMA 56
- RA: 18 30 50.56
- Dec: +18 03 04.5
- Discoverer: BPM
- Discoverer Number: 0
- Components:
- First year: 1996
- Last year: 2001
- Observations: 3
- First position angle: 154
- Last position angle: 154
- First separation: 295.0
- Last separation: 295.3
- Mag first component: 11.93
- Mag second component: 15.68
- Spectral type:
- Primary proper motion RA: -40
- Primary proper motion DEC: -30
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: NV