20566+3858
- Unique Name: 20566+3858A 1436
- RA: 20 56 37.45
- Dec: +38 57 50.7
- Discoverer: A
- Discoverer Number: 1436
- Components:
- First year: 1906
- Last year: 2007
- Observations: 10
- First position angle: 42
- Last position angle: 50
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.3
- Mag second component: 10.4
- Spectral type:
- Primary proper motion RA: 24
- Primary proper motion DEC: -26
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 4292
- Notes: