21234+5923
- Unique Name: 21234+5923ES 2709
- RA: 21 23 27.70
- Dec: +59 22 34.8
- Discoverer: ES
- Discoverer Number: 2709
- Components:
- First year: 1898
- Last year: 2005
- Observations: 7
- First position angle: 268
- Last position angle: 274
- First separation: 11.4
- Last separation: 11.9
- Mag first component: 9.96
- Mag second component: 11.2
- Spectral type: A5
- Primary proper motion RA: 3
- Primary proper motion DEC: -18
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 1
- Durchmusterung: +58 2259
- Notes: