20570+3842
- Unique Name: 20570+3842SEI1327
- RA: 20 57 03.56
- Dec: +38 42 01.4
- Discoverer: SEI
- Discoverer Number: 1327
- Components:
- First year: 1895
- Last year: 2002
- Observations: 6
- First position angle: 91
- Last position angle: 88
- First separation: 4.5
- Last separation: 4.6
- Mag first component: 11.0
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -1
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: