20109+2356
- Unique Name: 20109+2356POU4249
- RA: 20 10 51.34
- Dec: +23 55 58.6
- Discoverer: POU
- Discoverer Number: 4249
- Components:
- First year: 1892
- Last year: 2001
- Observations: 4
- First position angle: 344
- Last position angle: 348
- First separation: 3.8
- Last separation: 3.9
- Mag first component: 11.6
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -8
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: