06311+6638
- Unique Name: 06311+6638MLB 398
- RA: 06 31 04.25
- Dec: +66 37 31.6
- Discoverer: MLB
- Discoverer Number: 398
- Components:
- First year: 1894
- Last year: 2005
- Observations: 6
- First position angle: 160
- Last position angle: 156
- First separation: 4.8
- Last separation: 5.1
- Mag first component: 9.46
- Mag second component: 12.0
- Spectral type: G0
- Primary proper motion RA: -3
- Primary proper motion DEC: -33
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -43
- Durchmusterung: +66 445
- Notes: