18477+1539
- Unique Name: 18477+1539BPM 831
- RA: 18 47 43.48
- Dec: +15 39 07.6
- Discoverer: BPM
- Discoverer Number: 831
- Components:
- First year: 1995
- Last year: 2001
- Observations: 3
- First position angle: 340
- Last position angle: 340
- First separation: 117.8
- Last separation: 117.9
- Mag first component: 15.31
- Mag second component: 15.57
- Spectral type:
- Primary proper motion RA: -24
- Primary proper motion DEC: -20
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -12
- Durchmusterung:
- Notes: NV
