20439+1255
- Unique Name: 20439+1255J 1888
- RA: 20 43 49.69
- Dec: +12 53 40.5
- Discoverer: J
- Discoverer Number: 1888
- Components:
- First year: 1941
- Last year: 2001
- Observations: 3
- First position angle: 160
- Last position angle: 159
- First separation: 6.0
- Last separation: 9.8
- Mag first component: 9.7
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 11
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: