21121+4123
- Unique Name: 21121+4123LDS2494
- RA: .
- Dec: .
- Discoverer: LDS
- Discoverer Number: 2494
- Components:
- First year: 1954
- Last year: 1954
- Observations: 1
- First position angle: 212
- Last position angle: 212
- First separation: 2.0
- Last separation: 2.0
- Mag first component: 15.5
- Mag second component: 16.5
- Spectral type:
- Primary proper motion RA: 82
- Primary proper motion DEC: 50
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: X
