20105+2920
- Unique Name: 20105+2920MLB 477AC
- RA: 20 10 28.74
- Dec: +29 20 04.8
- Discoverer: MLB
- Discoverer Number: 477
- Components: AC
- First year: 1926
- Last year: 2002
- Observations: 6
- First position angle: 26
- Last position angle: 23
- First separation: 139.0
- Last separation: 114.5
- Mag first component: 11.24
- Mag second component: 7.59
- Spectral type:
- Primary proper motion RA: 11
- Primary proper motion DEC: 1
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N
