20572+3920
- Unique Name: 20572+3920BKO 474
- RA: 20 57 10.47
- Dec: +39 20 19.9
- Discoverer: BKO
- Discoverer Number: 474
- Components:
- First year: 1998
- Last year: 2008
- Observations: 3
- First position angle: 21
- Last position angle: 21
- First separation: 3.4
- Last separation: 2.8
- Mag first component: 13.0
- Mag second component: 13.0
- Spectral type:
- Primary proper motion RA: -33
- Primary proper motion DEC: -49
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: