20509+1953
- Unique Name: 20509+1953UC 255
- RA: 20 50 53.66
- Dec: +19 52 44.5
- Discoverer: UC
- Discoverer Number: 255
- Components:
- First year: 1999
- Last year: 2001
- Observations: 2
- First position angle: 263
- Last position angle: 263
- First separation: 12.0
- Last separation: 11.9
- Mag first component: 13.83
- Mag second component: 14.89
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -133
- Secondary proper motion RA: 13
- Secondary proper motion DEC: -133
- Durchmusterung:
- Notes: V