20109+2719
- Unique Name: 20109+2719TDT2055
- RA: 20 10 54.86
- Dec: +27 18 39.4
- Discoverer: TDT
- Discoverer Number: 2055
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 349
- Last position angle: 349
- First separation: 2.5
- Last separation: 2.5
- Mag first component: 11.46
- Mag second component: 12.08
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: