21123+1919
- Unique Name: 21123+1919TDT2825
- RA: 21 12 20.92
- Dec: +19 18 32.4
- Discoverer: TDT
- Discoverer Number: 2825
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 299
- Last position angle: 299
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.81
- Mag second component: 10.85
- Spectral type:
- Primary proper motion RA: 32
- Primary proper motion DEC: -34
- Secondary proper motion RA: 32
- Secondary proper motion DEC: -34
- Durchmusterung:
- Notes: