21151+3634
- Unique Name: 21151+3634SEI1473
- RA: 21 15 09.51
- Dec: +36 33 41.8
- Discoverer: SEI
- Discoverer Number: 1473
- Components:
- First year: 1896
- Last year: 2011
- Observations: 5
- First position angle: 102
- Last position angle: 99
- First separation: 22.1
- Last separation: 21.9
- Mag first component: 10.81
- Mag second component: 11.3
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: