20511+2457
- Unique Name: 20511+2457POU5044
- RA: 20 51 06.20
- Dec: +24 57 31.8
- Discoverer: POU
- Discoverer Number: 5044
- Components:
- First year: 1898
- Last year: 2002
- Observations: 4
- First position angle: 320
- Last position angle: 315
- First separation: 12.1
- Last separation: 12.8
- Mag first component: 9.82
- Mag second component: 13.3
- Spectral type: G5
- Primary proper motion RA: 10
- Primary proper motion DEC: -3
- Secondary proper motion RA: -13
- Secondary proper motion DEC: 4
- Durchmusterung: +24 4257
- Notes: