23390+5640
- Unique Name: 23390+5640MLB 103
- RA: 23 38 57.56
- Dec: +56 38 50.0
- Discoverer: MLB
- Discoverer Number: 103
- Components:
- First year: 1907
- Last year: 2011
- Observations: 13
- First position angle: 310
- Last position angle: 334
- First separation: 6.1
- Last separation: 5.0
- Mag first component: 10.88
- Mag second component: 11.31
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: 5
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 4
- Durchmusterung: +55 2995
- Notes: