21569+3735
- Unique Name: 21569+3735BKO 905AD
- RA: 21 56 53.14
- Dec: +37 35 21.9
- Discoverer: BKO
- Discoverer Number: 905
- Components: AD
- First year: 2000
- Last year: 2009
- Observations: 3
- First position angle: 34
- Last position angle: 34
- First separation: 17.8
- Last separation: 17.9
- Mag first component: 11.85
- Mag second component: 13.87
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -6
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: