20105+2920
- Unique Name: 20105+2920HDS2874Ca,Cb
- RA: 20 10 32.24
- Dec: +29 21 49.7
- Discoverer: HDS
- Discoverer Number: 2874
- Components: Ca,Cb
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 275
- Last position angle: 275
- First separation: 0.3
- Last separation: 0.3
- Mag first component: 7.61
- Mag second component: 11.49
- Spectral type: B9
- Primary proper motion RA: 4
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +28 3646
- Notes: N
