21427+1751
- Unique Name: 21427+1751DAM 660
- RA: 21 42 44.96
- Dec: +17 51 16.5
- Discoverer: DAM
- Discoverer Number: 660
- Components:
- First year: 2000
- Last year: 2000
- Observations: 1
- First position angle: 318
- Last position angle: 318
- First separation: 0.8
- Last separation: 0.8
- Mag first component: 20.3
- Mag second component: 21.1
- Spectral type:
- Primary proper motion RA: -246
- Primary proper motion DEC: -408
- Secondary proper motion RA: -237
- Secondary proper motion DEC: -385
- Durchmusterung:
- Notes: V B
