18509+2831
- Unique Name: 18509+2831MLB 650
- RA: 18 50 55.11
- Dec: +28 30 52.3
- Discoverer: MLB
- Discoverer Number: 650
- Components:
- First year: 1930
- Last year: 2010
- Observations: 5
- First position angle: 161
- Last position angle: 160
- First separation: 3.6
- Last separation: 5.5
- Mag first component: 10.7
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 21
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: