21234+2139
- Unique Name: 21234+2139J 2345
- RA: 21 23 27.02
- Dec: +21 37 52.0
- Discoverer: J
- Discoverer Number: 2345
- Components:
- First year: 1892
- Last year: 2011
- Observations: 6
- First position angle: 207
- Last position angle: 201
- First separation: 7.0
- Last separation: 4.8
- Mag first component: 10.0
- Mag second component: 10.4
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -16
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -9
- Durchmusterung:
- Notes: