21105+3733
- Unique Name: 21105+3733TDT2804
- RA: 21 10 32.90
- Dec: +37 33 16.6
- Discoverer: TDT
- Discoverer Number: 2804
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 117
- Last position angle: 117
- First separation: 0.8
- Last separation: 0.8
- Mag first component: 11.44
- Mag second component: 12.04
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -2
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: