21122+4549
- Unique Name: 21122+4549ES 1272
- RA: 21 12 04.54
- Dec: +45 49 48.8
- Discoverer: ES
- Discoverer Number: 1272
- Components:
- First year: 1910
- Last year: 2005
- Observations: 7
- First position angle: 52
- Last position angle: 53
- First separation: 3.5
- Last separation: 3.8
- Mag first component: 10.91
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: -45
- Primary proper motion DEC: -34
- Secondary proper motion RA: 9
- Secondary proper motion DEC: 3
- Durchmusterung: +45 3443
- Notes: