21152+3544
- Unique Name: 21152+3544SEI1475
- RA: 21 15 13.98
- Dec: +35 44 13.3
- Discoverer: SEI
- Discoverer Number: 1475
- Components:
- First year: 1896
- Last year: 2002
- Observations: 8
- First position angle: 265
- Last position angle: 266
- First separation: 5.7
- Last separation: 5.5
- Mag first component: 11.32
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -1
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -3
- Durchmusterung: +35 4449
- Notes: