05311+4255
- Unique Name: 05311+4255A 1721
- RA: 05 31 07.58
- Dec: +42 55 13.3
- Discoverer: A
- Discoverer Number: 1721
- Components:
- First year: 1907
- Last year: 1995
- Observations: 6
- First position angle: 115
- Last position angle: 112
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 9.1
- Mag second component: 9.2
- Spectral type: G0
- Primary proper motion RA: 1
- Primary proper motion DEC: -1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +42 1308
- Notes: N