23556+2137
- Unique Name: 23556+2137COU 345
- RA: 23 55 38.93
- Dec: +21 36 42.5
- Discoverer: COU
- Discoverer Number: 345
- Components:
- First year: 1894
- Last year: 2011
- Observations: 9
- First position angle: 149
- Last position angle: 184
- First separation: 7.3
- Last separation: 7.5
- Mag first component: 9.98
- Mag second component: 11.2
- Spectral type: K0
- Primary proper motion RA: -4
- Primary proper motion DEC: -15
- Secondary proper motion RA: -40
- Secondary proper motion DEC: -25
- Durchmusterung: +20 5395
- Notes: