21342+6400
- Unique Name: 21342+6400ES 2712
- RA: 21 34 11.60
- Dec: +64 00 16.8
- Discoverer: ES
- Discoverer Number: 2712
- Components:
- First year: 1921
- Last year: 2012
- Observations: 4
- First position angle: 228
- Last position angle: 228
- First separation: 13.0
- Last separation: 13.2
- Mag first component: 7.8
- Mag second component: 12.3
- Spectral type: A2V
- Primary proper motion RA: 2
- Primary proper motion DEC: -7
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -17
- Durchmusterung: +63 1748
- Notes: