20447+2356
- Unique Name: 20447+2356BKO 851
- RA: 20 44 41.45
- Dec: +23 56 10.4
- Discoverer: BKO
- Discoverer Number: 851
- Components:
- First year: 1999
- Last year: 2009
- Observations: 3
- First position angle: 14
- Last position angle: 13
- First separation: 11.6
- Last separation: 11.4
- Mag first component: 13.7
- Mag second component: 15.2
- Spectral type:
- Primary proper motion RA: -29
- Primary proper motion DEC: -48
- Secondary proper motion RA: 20
- Secondary proper motion DEC: 12
- Durchmusterung:
- Notes: