18521+1635
- Unique Name: 18521+1635BPM 871
- RA: 18 52 07.65
- Dec: +16 34 37.2
- Discoverer: BPM
- Discoverer Number: 871
- Components:
- First year: 1994
- Last year: 2001
- Observations: 3
- First position angle: 188
- Last position angle: 188
- First separation: 76.4
- Last separation: 76.4
- Mag first component: 13.09
- Mag second component: 14.71
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -2
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes: NV